Index: generic/nsf.c
===================================================================
diff -u -ra093703e9836fc152fcbbce96d4f880ace6a6170 -r6d5c6d1f81d1c3276243207f2206186ffa513fb4
--- generic/nsf.c	(.../nsf.c)	(revision a093703e9836fc152fcbbce96d4f880ace6a6170)
+++ generic/nsf.c	(.../nsf.c)	(revision 6d5c6d1f81d1c3276243207f2206186ffa513fb4)
@@ -20741,7 +20741,7 @@
 	}
       } else if (unlikely(pPtr->flags & NSF_ARG_REQUIRED)
 		 && (processFlags & NSF_ARGPARSE_FORCE_REQUIRED)) {
-	Tcl_Obj *paramDefsObj = NsfParamDefsSyntax(interp, ifd, NULL, NULL); // TODO NsfObject *contextObject
+	Tcl_Obj *paramDefsObj = NsfParamDefsSyntax(interp, ifd, pcPtr->object, NULL);
 	Tcl_Obj *methodPathObj = NsfMethodNamePath(interp,
 						   NULL /* use topmost frame */,
 						   MethodName(pcPtr->full_objv[0]));