Index: branches/pap/ippTools/src/difftoolConfig.c
===================================================================
--- branches/pap/ippTools/src/difftoolConfig.c	(revision 23532)
+++ branches/pap/ippTools/src/difftoolConfig.c	(revision 23603)
@@ -172,4 +172,5 @@
     psMetadataAddS64(definewarpwarpArgs, PS_LIST_TAIL, "-exp_id", 0, "search by exposure ID", 0);
     psMetadataAddStr(definewarpwarpArgs, PS_LIST_TAIL, "-filter", 0, "search by filter", NULL);
+    psMetadataAddStr(definewarpwarpArgs, PS_LIST_TAIL, "-obs_mode", 0, "search by observation mode", NULL);
     psMetadataAddF32(definewarpwarpArgs, PS_LIST_TAIL, "-timediff", 0, "limit time difference between input and template", NAN);
     psMetadataAddF32(definewarpwarpArgs, PS_LIST_TAIL, "-rotdiff", 0, "limit rotator difference between input and template", NAN);