.. auto-generated by script ../../../../utils/nxdl2rst.py from the NXDL source NXsnsevent.nxdl.xml

.. index::
    ! NXsnsevent (contributed definition)
    ! snsevent (contributed definition)
    see: snsevent (contributed definition); NXsnsevent

.. _NXsnsevent:

==========
NXsnsevent
==========

**Status**:

  contributed definition, extends :ref:`NXobject`

**Description**:

  This is a definition for event data from Spallation Neutron Source (SNS) at ORNL.

**Symbols**:

  No symbol table

**Groups cited**:
  :ref:`NXaperture`, :ref:`NXattenuator`, :ref:`NXcollection`, :ref:`NXcrystal`, :ref:`NXdata`, :ref:`NXdetector`, :ref:`NXdisk_chopper`, :ref:`NXentry`, :ref:`NXevent_data`, :ref:`NXgeometry`, :ref:`NXinstrument`, :ref:`NXlog`, :ref:`NXmoderator`, :ref:`NXmonitor`, :ref:`NXnote`, :ref:`NXorientation`, :ref:`NXpolarizer`, :ref:`NXpositioner`, :ref:`NXsample`, :ref:`NXshape`, :ref:`NXsource`, :ref:`NXtranslation`, :ref:`NXuser`

.. index:: NXentry (base class); used in contributed definition, NXcollection (base class); used in contributed definition, NXlog (base class); used in contributed definition, NXpositioner (base class); used in contributed definition, NXnote (base class); used in contributed definition, NXdata (base class); used in contributed definition, NXevent_data (base class); used in contributed definition, NXinstrument (base class); used in contributed definition, NXsource (base class); used in contributed definition, NXdetector (base class); used in contributed definition, NXgeometry (base class); used in contributed definition, NXorientation (base class); used in contributed definition, NXshape (base class); used in contributed definition, NXtranslation (base class); used in contributed definition, NXdisk_chopper (base class); used in contributed definition, NXmoderator (base class); used in contributed definition, NXaperture (base class); used in contributed definition, NXattenuator (base class); used in contributed definition, NXpolarizer (base class); used in contributed definition, NXcrystal (base class); used in contributed definition, NXmonitor (base class); used in contributed definition, NXsample (base class); used in contributed definition, NXuser (base class); used in contributed definition

**Structure**:

  .. _/NXsnsevent/ENTRY-group:

  **ENTRY**: (required) :ref:`NXentry`


    .. _/NXsnsevent/ENTRY/collection_identifier-field:

    .. index:: collection_identifier (field)

    **collection_identifier**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/collection_title-field:

    .. index:: collection_title (field)

    **collection_title**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/definition-field:

    .. index:: definition (field)

    **definition**: (required) :ref:`NX_CHAR <NX_CHAR>`

      Official NXDL schema after this file goes to applications.

      Obligatory value:  ``NXsnsevent``

    .. _/NXsnsevent/ENTRY/duration-field:

    .. index:: duration (field)

    **duration**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_TIME <NX_TIME>`}


    .. _/NXsnsevent/ENTRY/end_time-field:

    .. index:: end_time (field)

    **end_time**: (required) :ref:`NX_DATE_TIME <NX_DATE_TIME>`


    .. _/NXsnsevent/ENTRY/entry_identifier-field:

    .. index:: entry_identifier (field)

    **entry_identifier**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/experiment_identifier-field:

    .. index:: experiment_identifier (field)

    **experiment_identifier**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/notes-field:

    .. index:: notes (field)

    **notes**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/proton_charge-field:

    .. index:: proton_charge (field)

    **proton_charge**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_CHARGE <NX_CHARGE>`}


    .. _/NXsnsevent/ENTRY/raw_frames-field:

    .. index:: raw_frames (field)

    **raw_frames**: (required) :ref:`NX_INT <NX_INT>`


    .. _/NXsnsevent/ENTRY/run_number-field:

    .. index:: run_number (field)

    **run_number**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/start_time-field:

    .. index:: start_time (field)

    **start_time**: (required) :ref:`NX_DATE_TIME <NX_DATE_TIME>`


    .. _/NXsnsevent/ENTRY/title-field:

    .. index:: title (field)

    **title**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/total_counts-field:

    .. index:: total_counts (field)

    **total_counts**: (required) :ref:`NX_UINT <NX_UINT>` {units=\ :ref:`NX_UNITLESS <NX_UNITLESS>`}


    .. _/NXsnsevent/ENTRY/total_uncounted_counts-field:

    .. index:: total_uncounted_counts (field)

    **total_uncounted_counts**: (required) :ref:`NX_UINT <NX_UINT>` {units=\ :ref:`NX_UNITLESS <NX_UNITLESS>`}


    .. _/NXsnsevent/ENTRY/DASlogs-group:

    **DASlogs**: (required) :ref:`NXcollection`

      Details of all logs, both from cvinfo file and from HistoTool (frequency and proton_charge).

      .. _/NXsnsevent/ENTRY/DASlogs/LOG-group:

      **LOG**: (required) :ref:`NXlog`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/average_value-field:

        .. index:: average_value (field)

        **average_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/average_value_error-field:

        .. index:: average_value_error (field)

        **average_value_error**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


          .. index:: deprecated


          **DEPRECATED**: see https://github.com/nexusformat/definitions/issues/821


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/average_value_errors-field:

        .. index:: average_value_errors (field)

        **average_value_errors**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/description-field:

        .. index:: description (field)

        **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/duration-field:

        .. index:: duration (field)

        **duration**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/maximum_value-field:

        .. index:: maximum_value (field)

        **maximum_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/minimum_value-field:

        .. index:: minimum_value (field)

        **minimum_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/time-field:

        .. index:: time (field)

        **time[nvalue]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/LOG/value-field:

        .. index:: value (field)

        **value[nvalue]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


      .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER-group:

      **POSITIONER**: (optional) :ref:`NXpositioner`

        Motor logs from cvinfo file.

        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value-field:

        .. index:: average_value (field)

        **average_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_error-field:

        .. index:: average_value_error (field)

        **average_value_error**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


          .. index:: deprecated


          **DEPRECATED**: see https://github.com/nexusformat/definitions/issues/821


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_errors-field:

        .. index:: average_value_errors (field)

        **average_value_errors**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/description-field:

        .. index:: description (field)

        **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/duration-field:

        .. index:: duration (field)

        **duration**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/maximum_value-field:

        .. index:: maximum_value (field)

        **maximum_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/minimum_value-field:

        .. index:: minimum_value (field)

        **minimum_value**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/time-field:

        .. index:: time (field)

        **time[numvalue]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


        .. _/NXsnsevent/ENTRY/DASlogs/POSITIONER/value-field:

        .. index:: value (field)

        **value[numvalue]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`


    .. _/NXsnsevent/ENTRY/SNSHistoTool-group:

    **SNSHistoTool**: (required) :ref:`NXnote`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/SNSbanking_file_name-field:

      .. index:: SNSbanking_file_name (field)

      **SNSbanking_file_name**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/SNSmapping_file_name-field:

      .. index:: SNSmapping_file_name (field)

      **SNSmapping_file_name**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/author-field:

      .. index:: author (field)

      **author**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/command1-field:

      .. index:: command1 (field)

      **command1**: (required) :ref:`NX_CHAR <NX_CHAR>`

        Command string for event2nxl.

      .. _/NXsnsevent/ENTRY/SNSHistoTool/date-field:

      .. index:: date (field)

      **date**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/description-field:

      .. index:: description (field)

      **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/SNSHistoTool/version-field:

      .. index:: version (field)

      **version**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/DATA-group:

    **DATA**: (required) :ref:`NXdata`


      .. _/NXsnsevent/ENTRY/DATA/data_x_y-link:

      **data_x_y**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/data_x_y``)


      .. _/NXsnsevent/ENTRY/DATA/x_pixel_offset-link:

      **x_pixel_offset**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/x_pixel_offset``)


      .. _/NXsnsevent/ENTRY/DATA/y_pixel_offset-link:

      **y_pixel_offset**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/y_pixel_offset``)


    .. _/NXsnsevent/ENTRY/EVENT_DATA-group:

    **EVENT_DATA**: (required) :ref:`NXevent_data`


      .. _/NXsnsevent/ENTRY/EVENT_DATA/event_index-link:

      **event_index**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/event_index``)


      .. _/NXsnsevent/ENTRY/EVENT_DATA/event_pixel_id-link:

      **event_pixel_id**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/event_pixel_id``)


      .. _/NXsnsevent/ENTRY/EVENT_DATA/event_time_of_flight-link:

      **event_time_of_flight**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/event_time_of_flight``)


      .. _/NXsnsevent/ENTRY/EVENT_DATA/pulse_time-link:

      **pulse_time**: :ref:`link<Design-Links>` (suggested target: ``/NXentry/NXinstrument/NXdetector/pulse_time``)


    .. _/NXsnsevent/ENTRY/instrument-group:

    **instrument**: (required) :ref:`NXinstrument`


      .. _/NXsnsevent/ENTRY/instrument/SNSdetector_calibration_id-field:

      .. index:: SNSdetector_calibration_id (field)

      **SNSdetector_calibration_id**: (required) :ref:`NX_CHAR <NX_CHAR>`

        Detector calibration id from DAS.

      .. _/NXsnsevent/ENTRY/instrument/SNSgeometry_file_name-field:

      .. index:: SNSgeometry_file_name (field)

      **SNSgeometry_file_name**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/SNStranslation_service-field:

      .. index:: SNStranslation_service (field)

      **SNStranslation_service**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/beamline-field:

      .. index:: beamline (field)

      **beamline**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/name-field:

      .. index:: name (field)

      **name**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/SNS-group:

      **SNS**: (required) :ref:`NXsource`


        .. _/NXsnsevent/ENTRY/instrument/SNS/frequency-field:

        .. index:: frequency (field)

        **frequency**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_FREQUENCY <NX_FREQUENCY>`}


        .. _/NXsnsevent/ENTRY/instrument/SNS/name-field:

        .. index:: name (field)

        **name**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/instrument/SNS/probe-field:

        .. index:: probe (field)

        **probe**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/instrument/SNS/type-field:

        .. index:: type (field)

        **type**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/DETECTOR-group:

      **DETECTOR**: (required) :ref:`NXdetector`


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/azimuthal_angle-field:

        .. index:: azimuthal_angle (field)

        **azimuthal_angle[numx, numy]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/data_x_y-field:

        .. index:: data_x_y (field)

        **data_x_y[numx, numy]**: (required) :ref:`NX_UINT <NX_UINT>`

          expect  ``signal=2 axes="x_pixel_offset,y_pixel_offset``"

        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/distance-field:

        .. index:: distance (field)

        **distance[numx, numy]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/event_index-field:

        .. index:: event_index (field)

        **event_index[numpulses]**: (required) :ref:`NX_UINT <NX_UINT>`


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/event_pixel_id-field:

        .. index:: event_pixel_id (field)

        **event_pixel_id[numevents]**: (required) :ref:`NX_UINT <NX_UINT>`


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/event_time_of_flight-field:

        .. index:: event_time_of_flight (field)

        **event_time_of_flight[numevents]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_TIME_OF_FLIGHT <NX_TIME_OF_FLIGHT>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/pixel_id-field:

        .. index:: pixel_id (field)

        **pixel_id[numx, numy]**: (required) :ref:`NX_UINT <NX_UINT>`


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/polar_angle-field:

        .. index:: polar_angle (field)

        **polar_angle[numx, numy]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_ANGLE <NX_ANGLE>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/pulse_time-field:

        .. index:: pulse_time (field)

        **pulse_time[numpulses]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_TIME <NX_TIME>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/total_counts-field:

        .. index:: total_counts (field)

        **total_counts**: (required) :ref:`NX_UINT <NX_UINT>`


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/x_pixel_offset-field:

        .. index:: x_pixel_offset (field)

        **x_pixel_offset[numx]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/y_pixel_offset-field:

        .. index:: y_pixel_offset (field)

        **y_pixel_offset[numy]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin-group:

        **origin**: (required) :ref:`NXgeometry`


          .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation-group:

          **orientation**: (required) :ref:`NXorientation`


            .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation/value-field:

            .. index:: value (field)

            **value[6]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`

              Six out of nine rotation parameters.

          .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape-group:

          **shape**: (required) :ref:`NXshape`


            .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/description-field:

            .. index:: description (field)

            **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/shape-field:

            .. index:: shape (field)

            **shape**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/size-field:

            .. index:: size (field)

            **size[3]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


          .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation-group:

          **translation**: (required) :ref:`NXtranslation`


            .. _/NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation/distance-field:

            .. index:: distance (field)

            **distance[3]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


      .. _/NXsnsevent/ENTRY/instrument/DISK_CHOPPER-group:

      **DISK_CHOPPER**: (optional) :ref:`NXdisk_chopper`


        .. _/NXsnsevent/ENTRY/instrument/DISK_CHOPPER/distance-field:

        .. index:: distance (field)

        **distance**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


      .. _/NXsnsevent/ENTRY/instrument/moderator-group:

      **moderator**: (required) :ref:`NXmoderator`


        .. _/NXsnsevent/ENTRY/instrument/moderator/coupling_material-field:

        .. index:: coupling_material (field)

        **coupling_material**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/instrument/moderator/distance-field:

        .. index:: distance (field)

        **distance**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/moderator/temperature-field:

        .. index:: temperature (field)

        **temperature**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_TEMPERATURE <NX_TEMPERATURE>`}


        .. _/NXsnsevent/ENTRY/instrument/moderator/type-field:

        .. index:: type (field)

        **type**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/instrument/APERTURE-group:

      **APERTURE**: (optional) :ref:`NXaperture`


        .. _/NXsnsevent/ENTRY/instrument/APERTURE/x_pixel_offset-field:

        .. index:: x_pixel_offset (field)

        **x_pixel_offset**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin-group:

        **origin**: (required) :ref:`NXgeometry`


          .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation-group:

          **orientation**: (required) :ref:`NXorientation`


            .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation/value-field:

            .. index:: value (field)

            **value[6]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`

              Six out of nine rotation parameters.

          .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape-group:

          **shape**: (required) :ref:`NXshape`


            .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/description-field:

            .. index:: description (field)

            **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/shape-field:

            .. index:: shape (field)

            **shape**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/size-field:

            .. index:: size (field)

            **size[3]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


          .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/translation-group:

          **translation**: (required) :ref:`NXtranslation`


            .. _/NXsnsevent/ENTRY/instrument/APERTURE/origin/translation/distance-field:

            .. index:: distance (field)

            **distance[3]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


      .. _/NXsnsevent/ENTRY/instrument/ATTENUATOR-group:

      **ATTENUATOR**: (optional) :ref:`NXattenuator`


        .. _/NXsnsevent/ENTRY/instrument/ATTENUATOR/distance-field:

        .. index:: distance (field)

        **distance**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


      .. _/NXsnsevent/ENTRY/instrument/POLARIZER-group:

      **POLARIZER**: (optional) :ref:`NXpolarizer`


      .. _/NXsnsevent/ENTRY/instrument/CRYSTAL-group:

      **CRYSTAL**: (optional) :ref:`NXcrystal`


        .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/type-field:

        .. index:: type (field)

        **type**: (required) :ref:`NX_CHAR <NX_CHAR>`


        .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/wavelength-field:

        .. index:: wavelength (field)

        **wavelength**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_WAVELENGTH <NX_WAVELENGTH>`}


        .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin-group:

        **origin**: (required) :ref:`NXgeometry`


          .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/description-field:

          .. index:: description (field)

          **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


          .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation-group:

          **orientation**: (required) :ref:`NXorientation`


            .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation/value-field:

            .. index:: value (field)

            **value[6]**: (required) :ref:`NX_FLOAT <NX_FLOAT>`

              Six out of nine rotation parameters.

          .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape-group:

          **shape**: (required) :ref:`NXshape`


            .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/description-field:

            .. index:: description (field)

            **description**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/shape-field:

            .. index:: shape (field)

            **shape**: (required) :ref:`NX_CHAR <NX_CHAR>`


            .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/size-field:

            .. index:: size (field)

            **size**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


          .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation-group:

          **translation**: (required) :ref:`NXtranslation`


            .. _/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation/distance-field:

            .. index:: distance (field)

            **distance[3]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


    .. _/NXsnsevent/ENTRY/MONITOR-group:

    **MONITOR**: (optional) :ref:`NXmonitor`


      .. _/NXsnsevent/ENTRY/MONITOR/data-field:

      .. index:: data (field)

      **data[numtimechannels]**: (required) :ref:`NX_UINT <NX_UINT>`

        expect  ``signal=1 axes="time_of_flight"``

      .. _/NXsnsevent/ENTRY/MONITOR/distance-field:

      .. index:: distance (field)

      **distance**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_LENGTH <NX_LENGTH>`}


      .. _/NXsnsevent/ENTRY/MONITOR/mode-field:

      .. index:: mode (field)

      **mode**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/MONITOR/time_of_flight-field:

      .. index:: time_of_flight (field)

      **time_of_flight[numtimechannels + 1]**: (required) :ref:`NX_FLOAT <NX_FLOAT>` {units=\ :ref:`NX_TIME <NX_TIME>`}


    .. _/NXsnsevent/ENTRY/sample-group:

    **sample**: (required) :ref:`NXsample`


      .. _/NXsnsevent/ENTRY/sample/changer_position-field:

      .. index:: changer_position (field)

      **changer_position**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/sample/holder-field:

      .. index:: holder (field)

      **holder**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/sample/identifier-field:

      .. index:: identifier (field)

      **identifier**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/sample/name-field:

      .. index:: name (field)

      **name**: (required) :ref:`NX_CHAR <NX_CHAR>`

        Descriptive name of sample

      .. _/NXsnsevent/ENTRY/sample/nature-field:

      .. index:: nature (field)

      **nature**: (required) :ref:`NX_CHAR <NX_CHAR>`


    .. _/NXsnsevent/ENTRY/USER-group:

    **USER**: (required) :ref:`NXuser`


      .. _/NXsnsevent/ENTRY/USER/facility_user_id-field:

      .. index:: facility_user_id (field)

      **facility_user_id**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/USER/name-field:

      .. index:: name (field)

      **name**: (required) :ref:`NX_CHAR <NX_CHAR>`


      .. _/NXsnsevent/ENTRY/USER/role-field:

      .. index:: role (field)

      **role**: (required) :ref:`NX_CHAR <NX_CHAR>`



Hypertext Anchors
-----------------

Table of hypertext anchors for all groups, fields,
attributes, and links defined in this class.


======================================================================================================================================================== ========================================================================================================================================================
documentation (reST source) anchor                                                                                                                       web page (HTML) anchor                                                                                                                                  
======================================================================================================================================================== ========================================================================================================================================================
:ref:`/NXsnsevent/ENTRY-group </NXsnsevent/ENTRY-group>`                                                                                                 :ref:`#nxsnsevent-entry-group </NXsnsevent/ENTRY-group>`                                                                                                
:ref:`/NXsnsevent/ENTRY/collection_identifier-field </NXsnsevent/ENTRY/collection_identifier-field>`                                                     :ref:`#nxsnsevent-entry-collection-identifier-field </NXsnsevent/ENTRY/collection_identifier-field>`                                                    
:ref:`/NXsnsevent/ENTRY/collection_title-field </NXsnsevent/ENTRY/collection_title-field>`                                                               :ref:`#nxsnsevent-entry-collection-title-field </NXsnsevent/ENTRY/collection_title-field>`                                                              
:ref:`/NXsnsevent/ENTRY/DASlogs-group </NXsnsevent/ENTRY/DASlogs-group>`                                                                                 :ref:`#nxsnsevent-entry-daslogs-group </NXsnsevent/ENTRY/DASlogs-group>`                                                                                
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG-group </NXsnsevent/ENTRY/DASlogs/LOG-group>`                                                                         :ref:`#nxsnsevent-entry-daslogs-log-group </NXsnsevent/ENTRY/DASlogs/LOG-group>`                                                                        
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/average_value-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value-field>`                                             :ref:`#nxsnsevent-entry-daslogs-log-average-value-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value-field>`                                            
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/average_value_error-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value_error-field>`                                 :ref:`#nxsnsevent-entry-daslogs-log-average-value-error-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value_error-field>`                                
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/average_value_errors-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value_errors-field>`                               :ref:`#nxsnsevent-entry-daslogs-log-average-value-errors-field </NXsnsevent/ENTRY/DASlogs/LOG/average_value_errors-field>`                              
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/description-field </NXsnsevent/ENTRY/DASlogs/LOG/description-field>`                                                 :ref:`#nxsnsevent-entry-daslogs-log-description-field </NXsnsevent/ENTRY/DASlogs/LOG/description-field>`                                                
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/duration-field </NXsnsevent/ENTRY/DASlogs/LOG/duration-field>`                                                       :ref:`#nxsnsevent-entry-daslogs-log-duration-field </NXsnsevent/ENTRY/DASlogs/LOG/duration-field>`                                                      
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/maximum_value-field </NXsnsevent/ENTRY/DASlogs/LOG/maximum_value-field>`                                             :ref:`#nxsnsevent-entry-daslogs-log-maximum-value-field </NXsnsevent/ENTRY/DASlogs/LOG/maximum_value-field>`                                            
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/minimum_value-field </NXsnsevent/ENTRY/DASlogs/LOG/minimum_value-field>`                                             :ref:`#nxsnsevent-entry-daslogs-log-minimum-value-field </NXsnsevent/ENTRY/DASlogs/LOG/minimum_value-field>`                                            
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/time-field </NXsnsevent/ENTRY/DASlogs/LOG/time-field>`                                                               :ref:`#nxsnsevent-entry-daslogs-log-time-field </NXsnsevent/ENTRY/DASlogs/LOG/time-field>`                                                              
:ref:`/NXsnsevent/ENTRY/DASlogs/LOG/value-field </NXsnsevent/ENTRY/DASlogs/LOG/value-field>`                                                             :ref:`#nxsnsevent-entry-daslogs-log-value-field </NXsnsevent/ENTRY/DASlogs/LOG/value-field>`                                                            
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER-group </NXsnsevent/ENTRY/DASlogs/POSITIONER-group>`                                                           :ref:`#nxsnsevent-entry-daslogs-positioner-group </NXsnsevent/ENTRY/DASlogs/POSITIONER-group>`                                                          
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value-field>`                               :ref:`#nxsnsevent-entry-daslogs-positioner-average-value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value-field>`                              
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_error-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_error-field>`                   :ref:`#nxsnsevent-entry-daslogs-positioner-average-value-error-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_error-field>`                  
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_errors-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_errors-field>`                 :ref:`#nxsnsevent-entry-daslogs-positioner-average-value-errors-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/average_value_errors-field>`                
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/description-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/description-field>`                                   :ref:`#nxsnsevent-entry-daslogs-positioner-description-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/description-field>`                                  
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/duration-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/duration-field>`                                         :ref:`#nxsnsevent-entry-daslogs-positioner-duration-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/duration-field>`                                        
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/maximum_value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/maximum_value-field>`                               :ref:`#nxsnsevent-entry-daslogs-positioner-maximum-value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/maximum_value-field>`                              
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/minimum_value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/minimum_value-field>`                               :ref:`#nxsnsevent-entry-daslogs-positioner-minimum-value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/minimum_value-field>`                              
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/time-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/time-field>`                                                 :ref:`#nxsnsevent-entry-daslogs-positioner-time-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/time-field>`                                                
:ref:`/NXsnsevent/ENTRY/DASlogs/POSITIONER/value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/value-field>`                                               :ref:`#nxsnsevent-entry-daslogs-positioner-value-field </NXsnsevent/ENTRY/DASlogs/POSITIONER/value-field>`                                              
:ref:`/NXsnsevent/ENTRY/DATA-group </NXsnsevent/ENTRY/DATA-group>`                                                                                       :ref:`#nxsnsevent-entry-data-group </NXsnsevent/ENTRY/DATA-group>`                                                                                      
:ref:`/NXsnsevent/ENTRY/DATA/data_x_y-link </NXsnsevent/ENTRY/DATA/data_x_y-link>`                                                                       :ref:`#nxsnsevent-entry-data-data-x-y-link </NXsnsevent/ENTRY/DATA/data_x_y-link>`                                                                      
:ref:`/NXsnsevent/ENTRY/DATA/x_pixel_offset-link </NXsnsevent/ENTRY/DATA/x_pixel_offset-link>`                                                           :ref:`#nxsnsevent-entry-data-x-pixel-offset-link </NXsnsevent/ENTRY/DATA/x_pixel_offset-link>`                                                          
:ref:`/NXsnsevent/ENTRY/DATA/y_pixel_offset-link </NXsnsevent/ENTRY/DATA/y_pixel_offset-link>`                                                           :ref:`#nxsnsevent-entry-data-y-pixel-offset-link </NXsnsevent/ENTRY/DATA/y_pixel_offset-link>`                                                          
:ref:`/NXsnsevent/ENTRY/definition-field </NXsnsevent/ENTRY/definition-field>`                                                                           :ref:`#nxsnsevent-entry-definition-field </NXsnsevent/ENTRY/definition-field>`                                                                          
:ref:`/NXsnsevent/ENTRY/duration-field </NXsnsevent/ENTRY/duration-field>`                                                                               :ref:`#nxsnsevent-entry-duration-field </NXsnsevent/ENTRY/duration-field>`                                                                              
:ref:`/NXsnsevent/ENTRY/end_time-field </NXsnsevent/ENTRY/end_time-field>`                                                                               :ref:`#nxsnsevent-entry-end-time-field </NXsnsevent/ENTRY/end_time-field>`                                                                              
:ref:`/NXsnsevent/ENTRY/entry_identifier-field </NXsnsevent/ENTRY/entry_identifier-field>`                                                               :ref:`#nxsnsevent-entry-entry-identifier-field </NXsnsevent/ENTRY/entry_identifier-field>`                                                              
:ref:`/NXsnsevent/ENTRY/EVENT_DATA-group </NXsnsevent/ENTRY/EVENT_DATA-group>`                                                                           :ref:`#nxsnsevent-entry-event-data-group </NXsnsevent/ENTRY/EVENT_DATA-group>`                                                                          
:ref:`/NXsnsevent/ENTRY/EVENT_DATA/event_index-link </NXsnsevent/ENTRY/EVENT_DATA/event_index-link>`                                                     :ref:`#nxsnsevent-entry-event-data-event-index-link </NXsnsevent/ENTRY/EVENT_DATA/event_index-link>`                                                    
:ref:`/NXsnsevent/ENTRY/EVENT_DATA/event_pixel_id-link </NXsnsevent/ENTRY/EVENT_DATA/event_pixel_id-link>`                                               :ref:`#nxsnsevent-entry-event-data-event-pixel-id-link </NXsnsevent/ENTRY/EVENT_DATA/event_pixel_id-link>`                                              
:ref:`/NXsnsevent/ENTRY/EVENT_DATA/event_time_of_flight-link </NXsnsevent/ENTRY/EVENT_DATA/event_time_of_flight-link>`                                   :ref:`#nxsnsevent-entry-event-data-event-time-of-flight-link </NXsnsevent/ENTRY/EVENT_DATA/event_time_of_flight-link>`                                  
:ref:`/NXsnsevent/ENTRY/EVENT_DATA/pulse_time-link </NXsnsevent/ENTRY/EVENT_DATA/pulse_time-link>`                                                       :ref:`#nxsnsevent-entry-event-data-pulse-time-link </NXsnsevent/ENTRY/EVENT_DATA/pulse_time-link>`                                                      
:ref:`/NXsnsevent/ENTRY/experiment_identifier-field </NXsnsevent/ENTRY/experiment_identifier-field>`                                                     :ref:`#nxsnsevent-entry-experiment-identifier-field </NXsnsevent/ENTRY/experiment_identifier-field>`                                                    
:ref:`/NXsnsevent/ENTRY/instrument-group </NXsnsevent/ENTRY/instrument-group>`                                                                           :ref:`#nxsnsevent-entry-instrument-group </NXsnsevent/ENTRY/instrument-group>`                                                                          
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE-group </NXsnsevent/ENTRY/instrument/APERTURE-group>`                                                         :ref:`#nxsnsevent-entry-instrument-aperture-group </NXsnsevent/ENTRY/instrument/APERTURE-group>`                                                        
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin-group </NXsnsevent/ENTRY/instrument/APERTURE/origin-group>`                                           :ref:`#nxsnsevent-entry-instrument-aperture-origin-group </NXsnsevent/ENTRY/instrument/APERTURE/origin-group>`                                          
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation-group>`                   :ref:`#nxsnsevent-entry-instrument-aperture-origin-orientation-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation-group>`                  
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation/value-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation/value-field>`       :ref:`#nxsnsevent-entry-instrument-aperture-origin-orientation-value-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/orientation/value-field>`      
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape-group>`                               :ref:`#nxsnsevent-entry-instrument-aperture-origin-shape-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape-group>`                              
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/description-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/description-field>`       :ref:`#nxsnsevent-entry-instrument-aperture-origin-shape-description-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/description-field>`      
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/shape-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/shape-field>`                   :ref:`#nxsnsevent-entry-instrument-aperture-origin-shape-shape-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/shape-field>`                  
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/size-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/size-field>`                     :ref:`#nxsnsevent-entry-instrument-aperture-origin-shape-size-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/shape/size-field>`                    
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/translation-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/translation-group>`                   :ref:`#nxsnsevent-entry-instrument-aperture-origin-translation-group </NXsnsevent/ENTRY/instrument/APERTURE/origin/translation-group>`                  
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/origin/translation/distance-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/translation/distance-field>` :ref:`#nxsnsevent-entry-instrument-aperture-origin-translation-distance-field </NXsnsevent/ENTRY/instrument/APERTURE/origin/translation/distance-field>`
:ref:`/NXsnsevent/ENTRY/instrument/APERTURE/x_pixel_offset-field </NXsnsevent/ENTRY/instrument/APERTURE/x_pixel_offset-field>`                           :ref:`#nxsnsevent-entry-instrument-aperture-x-pixel-offset-field </NXsnsevent/ENTRY/instrument/APERTURE/x_pixel_offset-field>`                          
:ref:`/NXsnsevent/ENTRY/instrument/ATTENUATOR-group </NXsnsevent/ENTRY/instrument/ATTENUATOR-group>`                                                     :ref:`#nxsnsevent-entry-instrument-attenuator-group </NXsnsevent/ENTRY/instrument/ATTENUATOR-group>`                                                    
:ref:`/NXsnsevent/ENTRY/instrument/ATTENUATOR/distance-field </NXsnsevent/ENTRY/instrument/ATTENUATOR/distance-field>`                                   :ref:`#nxsnsevent-entry-instrument-attenuator-distance-field </NXsnsevent/ENTRY/instrument/ATTENUATOR/distance-field>`                                  
:ref:`/NXsnsevent/ENTRY/instrument/beamline-field </NXsnsevent/ENTRY/instrument/beamline-field>`                                                         :ref:`#nxsnsevent-entry-instrument-beamline-field </NXsnsevent/ENTRY/instrument/beamline-field>`                                                        
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL-group </NXsnsevent/ENTRY/instrument/CRYSTAL-group>`                                                           :ref:`#nxsnsevent-entry-instrument-crystal-group </NXsnsevent/ENTRY/instrument/CRYSTAL-group>`                                                          
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin-group>`                                             :ref:`#nxsnsevent-entry-instrument-crystal-origin-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin-group>`                                            
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/description-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/description-field>`                     :ref:`#nxsnsevent-entry-instrument-crystal-origin-description-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/description-field>`                    
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation-group>`                     :ref:`#nxsnsevent-entry-instrument-crystal-origin-orientation-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation-group>`                    
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation/value-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation/value-field>`         :ref:`#nxsnsevent-entry-instrument-crystal-origin-orientation-value-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/orientation/value-field>`        
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape-group>`                                 :ref:`#nxsnsevent-entry-instrument-crystal-origin-shape-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape-group>`                                
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/description-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/description-field>`         :ref:`#nxsnsevent-entry-instrument-crystal-origin-shape-description-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/description-field>`        
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/shape-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/shape-field>`                     :ref:`#nxsnsevent-entry-instrument-crystal-origin-shape-shape-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/shape-field>`                    
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/size-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/size-field>`                       :ref:`#nxsnsevent-entry-instrument-crystal-origin-shape-size-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/shape/size-field>`                      
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation-group>`                     :ref:`#nxsnsevent-entry-instrument-crystal-origin-translation-group </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation-group>`                    
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation/distance-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation/distance-field>`   :ref:`#nxsnsevent-entry-instrument-crystal-origin-translation-distance-field </NXsnsevent/ENTRY/instrument/CRYSTAL/origin/translation/distance-field>`  
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/type-field </NXsnsevent/ENTRY/instrument/CRYSTAL/type-field>`                                                 :ref:`#nxsnsevent-entry-instrument-crystal-type-field </NXsnsevent/ENTRY/instrument/CRYSTAL/type-field>`                                                
:ref:`/NXsnsevent/ENTRY/instrument/CRYSTAL/wavelength-field </NXsnsevent/ENTRY/instrument/CRYSTAL/wavelength-field>`                                     :ref:`#nxsnsevent-entry-instrument-crystal-wavelength-field </NXsnsevent/ENTRY/instrument/CRYSTAL/wavelength-field>`                                    
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR-group </NXsnsevent/ENTRY/instrument/DETECTOR-group>`                                                         :ref:`#nxsnsevent-entry-instrument-detector-group </NXsnsevent/ENTRY/instrument/DETECTOR-group>`                                                        
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/azimuthal_angle-field </NXsnsevent/ENTRY/instrument/DETECTOR/azimuthal_angle-field>`                         :ref:`#nxsnsevent-entry-instrument-detector-azimuthal-angle-field </NXsnsevent/ENTRY/instrument/DETECTOR/azimuthal_angle-field>`                        
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/data_x_y-field </NXsnsevent/ENTRY/instrument/DETECTOR/data_x_y-field>`                                       :ref:`#nxsnsevent-entry-instrument-detector-data-x-y-field </NXsnsevent/ENTRY/instrument/DETECTOR/data_x_y-field>`                                      
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/distance-field </NXsnsevent/ENTRY/instrument/DETECTOR/distance-field>`                                       :ref:`#nxsnsevent-entry-instrument-detector-distance-field </NXsnsevent/ENTRY/instrument/DETECTOR/distance-field>`                                      
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/event_index-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_index-field>`                                 :ref:`#nxsnsevent-entry-instrument-detector-event-index-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_index-field>`                                
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/event_pixel_id-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_pixel_id-field>`                           :ref:`#nxsnsevent-entry-instrument-detector-event-pixel-id-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_pixel_id-field>`                          
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/event_time_of_flight-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_time_of_flight-field>`               :ref:`#nxsnsevent-entry-instrument-detector-event-time-of-flight-field </NXsnsevent/ENTRY/instrument/DETECTOR/event_time_of_flight-field>`              
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin-group>`                                           :ref:`#nxsnsevent-entry-instrument-detector-origin-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin-group>`                                          
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation-group>`                   :ref:`#nxsnsevent-entry-instrument-detector-origin-orientation-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation-group>`                  
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation/value-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation/value-field>`       :ref:`#nxsnsevent-entry-instrument-detector-origin-orientation-value-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/orientation/value-field>`      
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape-group>`                               :ref:`#nxsnsevent-entry-instrument-detector-origin-shape-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape-group>`                              
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/description-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/description-field>`       :ref:`#nxsnsevent-entry-instrument-detector-origin-shape-description-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/description-field>`      
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/shape-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/shape-field>`                   :ref:`#nxsnsevent-entry-instrument-detector-origin-shape-shape-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/shape-field>`                  
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/size-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/size-field>`                     :ref:`#nxsnsevent-entry-instrument-detector-origin-shape-size-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/shape/size-field>`                    
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation-group>`                   :ref:`#nxsnsevent-entry-instrument-detector-origin-translation-group </NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation-group>`                  
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation/distance-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation/distance-field>` :ref:`#nxsnsevent-entry-instrument-detector-origin-translation-distance-field </NXsnsevent/ENTRY/instrument/DETECTOR/origin/translation/distance-field>`
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/pixel_id-field </NXsnsevent/ENTRY/instrument/DETECTOR/pixel_id-field>`                                       :ref:`#nxsnsevent-entry-instrument-detector-pixel-id-field </NXsnsevent/ENTRY/instrument/DETECTOR/pixel_id-field>`                                      
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/polar_angle-field </NXsnsevent/ENTRY/instrument/DETECTOR/polar_angle-field>`                                 :ref:`#nxsnsevent-entry-instrument-detector-polar-angle-field </NXsnsevent/ENTRY/instrument/DETECTOR/polar_angle-field>`                                
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/pulse_time-field </NXsnsevent/ENTRY/instrument/DETECTOR/pulse_time-field>`                                   :ref:`#nxsnsevent-entry-instrument-detector-pulse-time-field </NXsnsevent/ENTRY/instrument/DETECTOR/pulse_time-field>`                                  
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/total_counts-field </NXsnsevent/ENTRY/instrument/DETECTOR/total_counts-field>`                               :ref:`#nxsnsevent-entry-instrument-detector-total-counts-field </NXsnsevent/ENTRY/instrument/DETECTOR/total_counts-field>`                              
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/x_pixel_offset-field </NXsnsevent/ENTRY/instrument/DETECTOR/x_pixel_offset-field>`                           :ref:`#nxsnsevent-entry-instrument-detector-x-pixel-offset-field </NXsnsevent/ENTRY/instrument/DETECTOR/x_pixel_offset-field>`                          
:ref:`/NXsnsevent/ENTRY/instrument/DETECTOR/y_pixel_offset-field </NXsnsevent/ENTRY/instrument/DETECTOR/y_pixel_offset-field>`                           :ref:`#nxsnsevent-entry-instrument-detector-y-pixel-offset-field </NXsnsevent/ENTRY/instrument/DETECTOR/y_pixel_offset-field>`                          
:ref:`/NXsnsevent/ENTRY/instrument/DISK_CHOPPER-group </NXsnsevent/ENTRY/instrument/DISK_CHOPPER-group>`                                                 :ref:`#nxsnsevent-entry-instrument-disk-chopper-group </NXsnsevent/ENTRY/instrument/DISK_CHOPPER-group>`                                                
:ref:`/NXsnsevent/ENTRY/instrument/DISK_CHOPPER/distance-field </NXsnsevent/ENTRY/instrument/DISK_CHOPPER/distance-field>`                               :ref:`#nxsnsevent-entry-instrument-disk-chopper-distance-field </NXsnsevent/ENTRY/instrument/DISK_CHOPPER/distance-field>`                              
:ref:`/NXsnsevent/ENTRY/instrument/moderator-group </NXsnsevent/ENTRY/instrument/moderator-group>`                                                       :ref:`#nxsnsevent-entry-instrument-moderator-group </NXsnsevent/ENTRY/instrument/moderator-group>`                                                      
:ref:`/NXsnsevent/ENTRY/instrument/moderator/coupling_material-field </NXsnsevent/ENTRY/instrument/moderator/coupling_material-field>`                   :ref:`#nxsnsevent-entry-instrument-moderator-coupling-material-field </NXsnsevent/ENTRY/instrument/moderator/coupling_material-field>`                  
:ref:`/NXsnsevent/ENTRY/instrument/moderator/distance-field </NXsnsevent/ENTRY/instrument/moderator/distance-field>`                                     :ref:`#nxsnsevent-entry-instrument-moderator-distance-field </NXsnsevent/ENTRY/instrument/moderator/distance-field>`                                    
:ref:`/NXsnsevent/ENTRY/instrument/moderator/temperature-field </NXsnsevent/ENTRY/instrument/moderator/temperature-field>`                               :ref:`#nxsnsevent-entry-instrument-moderator-temperature-field </NXsnsevent/ENTRY/instrument/moderator/temperature-field>`                              
:ref:`/NXsnsevent/ENTRY/instrument/moderator/type-field </NXsnsevent/ENTRY/instrument/moderator/type-field>`                                             :ref:`#nxsnsevent-entry-instrument-moderator-type-field </NXsnsevent/ENTRY/instrument/moderator/type-field>`                                            
:ref:`/NXsnsevent/ENTRY/instrument/name-field </NXsnsevent/ENTRY/instrument/name-field>`                                                                 :ref:`#nxsnsevent-entry-instrument-name-field </NXsnsevent/ENTRY/instrument/name-field>`                                                                
:ref:`/NXsnsevent/ENTRY/instrument/POLARIZER-group </NXsnsevent/ENTRY/instrument/POLARIZER-group>`                                                       :ref:`#nxsnsevent-entry-instrument-polarizer-group </NXsnsevent/ENTRY/instrument/POLARIZER-group>`                                                      
:ref:`/NXsnsevent/ENTRY/instrument/SNS-group </NXsnsevent/ENTRY/instrument/SNS-group>`                                                                   :ref:`#nxsnsevent-entry-instrument-sns-group </NXsnsevent/ENTRY/instrument/SNS-group>`                                                                  
:ref:`/NXsnsevent/ENTRY/instrument/SNS/frequency-field </NXsnsevent/ENTRY/instrument/SNS/frequency-field>`                                               :ref:`#nxsnsevent-entry-instrument-sns-frequency-field </NXsnsevent/ENTRY/instrument/SNS/frequency-field>`                                              
:ref:`/NXsnsevent/ENTRY/instrument/SNS/name-field </NXsnsevent/ENTRY/instrument/SNS/name-field>`                                                         :ref:`#nxsnsevent-entry-instrument-sns-name-field </NXsnsevent/ENTRY/instrument/SNS/name-field>`                                                        
:ref:`/NXsnsevent/ENTRY/instrument/SNS/probe-field </NXsnsevent/ENTRY/instrument/SNS/probe-field>`                                                       :ref:`#nxsnsevent-entry-instrument-sns-probe-field </NXsnsevent/ENTRY/instrument/SNS/probe-field>`                                                      
:ref:`/NXsnsevent/ENTRY/instrument/SNS/type-field </NXsnsevent/ENTRY/instrument/SNS/type-field>`                                                         :ref:`#nxsnsevent-entry-instrument-sns-type-field </NXsnsevent/ENTRY/instrument/SNS/type-field>`                                                        
:ref:`/NXsnsevent/ENTRY/instrument/SNSdetector_calibration_id-field </NXsnsevent/ENTRY/instrument/SNSdetector_calibration_id-field>`                     :ref:`#nxsnsevent-entry-instrument-snsdetector-calibration-id-field </NXsnsevent/ENTRY/instrument/SNSdetector_calibration_id-field>`                    
:ref:`/NXsnsevent/ENTRY/instrument/SNSgeometry_file_name-field </NXsnsevent/ENTRY/instrument/SNSgeometry_file_name-field>`                               :ref:`#nxsnsevent-entry-instrument-snsgeometry-file-name-field </NXsnsevent/ENTRY/instrument/SNSgeometry_file_name-field>`                              
:ref:`/NXsnsevent/ENTRY/instrument/SNStranslation_service-field </NXsnsevent/ENTRY/instrument/SNStranslation_service-field>`                             :ref:`#nxsnsevent-entry-instrument-snstranslation-service-field </NXsnsevent/ENTRY/instrument/SNStranslation_service-field>`                            
:ref:`/NXsnsevent/ENTRY/MONITOR-group </NXsnsevent/ENTRY/MONITOR-group>`                                                                                 :ref:`#nxsnsevent-entry-monitor-group </NXsnsevent/ENTRY/MONITOR-group>`                                                                                
:ref:`/NXsnsevent/ENTRY/MONITOR/data-field </NXsnsevent/ENTRY/MONITOR/data-field>`                                                                       :ref:`#nxsnsevent-entry-monitor-data-field </NXsnsevent/ENTRY/MONITOR/data-field>`                                                                      
:ref:`/NXsnsevent/ENTRY/MONITOR/distance-field </NXsnsevent/ENTRY/MONITOR/distance-field>`                                                               :ref:`#nxsnsevent-entry-monitor-distance-field </NXsnsevent/ENTRY/MONITOR/distance-field>`                                                              
:ref:`/NXsnsevent/ENTRY/MONITOR/mode-field </NXsnsevent/ENTRY/MONITOR/mode-field>`                                                                       :ref:`#nxsnsevent-entry-monitor-mode-field </NXsnsevent/ENTRY/MONITOR/mode-field>`                                                                      
:ref:`/NXsnsevent/ENTRY/MONITOR/time_of_flight-field </NXsnsevent/ENTRY/MONITOR/time_of_flight-field>`                                                   :ref:`#nxsnsevent-entry-monitor-time-of-flight-field </NXsnsevent/ENTRY/MONITOR/time_of_flight-field>`                                                  
:ref:`/NXsnsevent/ENTRY/notes-field </NXsnsevent/ENTRY/notes-field>`                                                                                     :ref:`#nxsnsevent-entry-notes-field </NXsnsevent/ENTRY/notes-field>`                                                                                    
:ref:`/NXsnsevent/ENTRY/proton_charge-field </NXsnsevent/ENTRY/proton_charge-field>`                                                                     :ref:`#nxsnsevent-entry-proton-charge-field </NXsnsevent/ENTRY/proton_charge-field>`                                                                    
:ref:`/NXsnsevent/ENTRY/raw_frames-field </NXsnsevent/ENTRY/raw_frames-field>`                                                                           :ref:`#nxsnsevent-entry-raw-frames-field </NXsnsevent/ENTRY/raw_frames-field>`                                                                          
:ref:`/NXsnsevent/ENTRY/run_number-field </NXsnsevent/ENTRY/run_number-field>`                                                                           :ref:`#nxsnsevent-entry-run-number-field </NXsnsevent/ENTRY/run_number-field>`                                                                          
:ref:`/NXsnsevent/ENTRY/sample-group </NXsnsevent/ENTRY/sample-group>`                                                                                   :ref:`#nxsnsevent-entry-sample-group </NXsnsevent/ENTRY/sample-group>`                                                                                  
:ref:`/NXsnsevent/ENTRY/sample/changer_position-field </NXsnsevent/ENTRY/sample/changer_position-field>`                                                 :ref:`#nxsnsevent-entry-sample-changer-position-field </NXsnsevent/ENTRY/sample/changer_position-field>`                                                
:ref:`/NXsnsevent/ENTRY/sample/holder-field </NXsnsevent/ENTRY/sample/holder-field>`                                                                     :ref:`#nxsnsevent-entry-sample-holder-field </NXsnsevent/ENTRY/sample/holder-field>`                                                                    
:ref:`/NXsnsevent/ENTRY/sample/identifier-field </NXsnsevent/ENTRY/sample/identifier-field>`                                                             :ref:`#nxsnsevent-entry-sample-identifier-field </NXsnsevent/ENTRY/sample/identifier-field>`                                                            
:ref:`/NXsnsevent/ENTRY/sample/name-field </NXsnsevent/ENTRY/sample/name-field>`                                                                         :ref:`#nxsnsevent-entry-sample-name-field </NXsnsevent/ENTRY/sample/name-field>`                                                                        
:ref:`/NXsnsevent/ENTRY/sample/nature-field </NXsnsevent/ENTRY/sample/nature-field>`                                                                     :ref:`#nxsnsevent-entry-sample-nature-field </NXsnsevent/ENTRY/sample/nature-field>`                                                                    
:ref:`/NXsnsevent/ENTRY/SNSHistoTool-group </NXsnsevent/ENTRY/SNSHistoTool-group>`                                                                       :ref:`#nxsnsevent-entry-snshistotool-group </NXsnsevent/ENTRY/SNSHistoTool-group>`                                                                      
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/author-field </NXsnsevent/ENTRY/SNSHistoTool/author-field>`                                                         :ref:`#nxsnsevent-entry-snshistotool-author-field </NXsnsevent/ENTRY/SNSHistoTool/author-field>`                                                        
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/command1-field </NXsnsevent/ENTRY/SNSHistoTool/command1-field>`                                                     :ref:`#nxsnsevent-entry-snshistotool-command1-field </NXsnsevent/ENTRY/SNSHistoTool/command1-field>`                                                    
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/date-field </NXsnsevent/ENTRY/SNSHistoTool/date-field>`                                                             :ref:`#nxsnsevent-entry-snshistotool-date-field </NXsnsevent/ENTRY/SNSHistoTool/date-field>`                                                            
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/description-field </NXsnsevent/ENTRY/SNSHistoTool/description-field>`                                               :ref:`#nxsnsevent-entry-snshistotool-description-field </NXsnsevent/ENTRY/SNSHistoTool/description-field>`                                              
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/SNSbanking_file_name-field </NXsnsevent/ENTRY/SNSHistoTool/SNSbanking_file_name-field>`                             :ref:`#nxsnsevent-entry-snshistotool-snsbanking-file-name-field </NXsnsevent/ENTRY/SNSHistoTool/SNSbanking_file_name-field>`                            
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/SNSmapping_file_name-field </NXsnsevent/ENTRY/SNSHistoTool/SNSmapping_file_name-field>`                             :ref:`#nxsnsevent-entry-snshistotool-snsmapping-file-name-field </NXsnsevent/ENTRY/SNSHistoTool/SNSmapping_file_name-field>`                            
:ref:`/NXsnsevent/ENTRY/SNSHistoTool/version-field </NXsnsevent/ENTRY/SNSHistoTool/version-field>`                                                       :ref:`#nxsnsevent-entry-snshistotool-version-field </NXsnsevent/ENTRY/SNSHistoTool/version-field>`                                                      
:ref:`/NXsnsevent/ENTRY/start_time-field </NXsnsevent/ENTRY/start_time-field>`                                                                           :ref:`#nxsnsevent-entry-start-time-field </NXsnsevent/ENTRY/start_time-field>`                                                                          
:ref:`/NXsnsevent/ENTRY/title-field </NXsnsevent/ENTRY/title-field>`                                                                                     :ref:`#nxsnsevent-entry-title-field </NXsnsevent/ENTRY/title-field>`                                                                                    
:ref:`/NXsnsevent/ENTRY/total_counts-field </NXsnsevent/ENTRY/total_counts-field>`                                                                       :ref:`#nxsnsevent-entry-total-counts-field </NXsnsevent/ENTRY/total_counts-field>`                                                                      
:ref:`/NXsnsevent/ENTRY/total_uncounted_counts-field </NXsnsevent/ENTRY/total_uncounted_counts-field>`                                                   :ref:`#nxsnsevent-entry-total-uncounted-counts-field </NXsnsevent/ENTRY/total_uncounted_counts-field>`                                                  
:ref:`/NXsnsevent/ENTRY/USER-group </NXsnsevent/ENTRY/USER-group>`                                                                                       :ref:`#nxsnsevent-entry-user-group </NXsnsevent/ENTRY/USER-group>`                                                                                      
:ref:`/NXsnsevent/ENTRY/USER/facility_user_id-field </NXsnsevent/ENTRY/USER/facility_user_id-field>`                                                     :ref:`#nxsnsevent-entry-user-facility-user-id-field </NXsnsevent/ENTRY/USER/facility_user_id-field>`                                                    
:ref:`/NXsnsevent/ENTRY/USER/name-field </NXsnsevent/ENTRY/USER/name-field>`                                                                             :ref:`#nxsnsevent-entry-user-name-field </NXsnsevent/ENTRY/USER/name-field>`                                                                            
:ref:`/NXsnsevent/ENTRY/USER/role-field </NXsnsevent/ENTRY/USER/role-field>`                                                                             :ref:`#nxsnsevent-entry-user-role-field </NXsnsevent/ENTRY/USER/role-field>`                                                                            
======================================================================================================================================================== ========================================================================================================================================================


**NXDL Source**:
  https://github.com/FAIRmat-Experimental/nexus_definitions/tree/fairmat/contributed_definitions/NXsnsevent.nxdl.xml