diff --git a/base_classes/NXdata.nxdl.xml b/base_classes/NXdata.nxdl.xml
index 745209690..1032efb44 100644
--- a/base_classes/NXdata.nxdl.xml
+++ b/base_classes/NXdata.nxdl.xml
@@ -148,7 +148,15 @@
 
 			Alternate version using an integer would look like this (note 2 is a string)::
 
-			    @default_slice = [".", "2", ".", "."]
+			  data:NXdata
+				@signal = "data"
+				@axes = ["image_id", "channel", ".", "."]
+				@image_id_indices = 0
+				@channel_indices = 1
+				@default_slice = [".", "2", ".", "."]
+				image_id = [1, ..., nP]
+				channel = ["threshold_1", "threshold_2", "difference"]
+				data = uint[nP, nC, i, j]
 
 		</doc>
 	</attribute>