diff --git a/applications/NXmx.nxdl.xml b/applications/NXmx.nxdl.xml
index d54e072375..0d9b9d0550 100644
--- a/applications/NXmx.nxdl.xml
+++ b/applications/NXmx.nxdl.xml
@@ -74,6 +74,13 @@
+
+ Name of instrument
+
+ short name for instrument, perhaps the acronym
+
+
+
@@ -625,6 +632,151 @@
+
+ The neutron or x-ray storage ring/facility.
+
+
+ Effective distance from sample
+ Distance as seen by radiation from sample. This number should be negative
+ to signify that it is upstream of the sample.
+
+
+
+ Name of source
+
+ short name for source, perhaps the acronym
+
+
+
+ type of radiation source (pick one from the enumerated list and spell exactly)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ type of radiation probe (pick one from the enumerated list and spell exactly)
+
+
+
+
+
+
+
+
+
+
+
+
+ Source power
+
+
+ Source emittance (nm-rad) in X (horizontal) direction.
+
+
+ Source emittance (nm-rad) in Y (horizontal) direction.
+
+
+ particle beam size in x
+
+
+ particle beam size in y
+
+
+ Source intensity/area (example: s-1 cm-2)
+
+
+
+ Source energy.
+ For storage rings, this would be the particle beam energy.
+ For X-ray tubes, this would be the excitation voltage.
+
+
+
+ Accelerator, X-ray tube, or storage ring current
+
+
+ Accelerator voltage
+
+
+ Frequency of pulsed source
+
+
+ Period of pulsed source
+
+
+ Pulsed source target material
+
+
+
+
+
+
+
+
+
+
+
+
+ any source/facility related messages/events that
+ occurred during the experiment
+
+
+
+
+ For storage rings, description of the bunch pattern.
+ This is useful to describe irregular bunch patterns.
+
+ name of the bunch pattern
+
+
+ For storage rings, the number of bunches in use.
+
+
+ For storage rings, temporal length of the bunch
+
+
+ For storage rings, time between bunches
+
+
+ temporal width of source pulse
+
+
+ source pulse shape
+
+
+ source operating mode
+
+ - for storage rings
+ - for storage rings
+
+
+
+
+ Is the synchrotron operating in top_up mode?
+
+
+ For storage rings, the current at the end of the most recent injection.
+ date and time of the most recent injection.
+
+
+ "Engineering" location of source
+
+
+ The wavelength or energy distribution of the source
+
+
+