Index: trunk/ippTools/src/regtool.c
===================================================================
--- trunk/ippTools/src/regtool.c	(revision 9691)
+++ trunk/ippTools/src/regtool.c	(revision 9764)
@@ -680,9 +680,18 @@
     PS_ASSERT_PTR_NON_NULL(exp, NULL);
 
+    // optional
+    bool status = false;
+    psString label = psMetadataLookupStr(&status, config->args, "-label");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, false, "failed to lookup value for -label");
+        return false;
+    }
+
     return p2PendingExpRowAlloc(
         exp->exp_tag,
         "my recipe",
         0xff, // XXX calc version number
-        0xff // XXX calc version number
+        0xff, // XXX calc version number
+        label
     );
 }