Index: trunk/ippTools/src/difftoolConfig.c
===================================================================
--- trunk/ippTools/src/difftoolConfig.c	(revision 26567)
+++ trunk/ippTools/src/difftoolConfig.c	(revision 26652)
@@ -183,4 +183,5 @@
     psMetadataAddStr(definewarpstackArgs, PS_LIST_TAIL, "-stack_label", 0, "search by stack label", NULL);
     psMetadataAddStr(definewarpstackArgs, PS_LIST_TAIL, "-warp_label", 0, "search by warp label", NULL);
+    psMetadataAddStr(definewarpstackArgs, PS_LIST_TAIL, "-data_group", 0, "search by data_group", NULL);
     psMetadataAddF32(definewarpstackArgs, PS_LIST_TAIL, "-good_frac", 0, "minimum good fraction of skycell", NAN);
     psMetadataAddStr(definewarpstackArgs, PS_LIST_TAIL, "-set_workdir", 0, "define workdir (required)", NULL);