Index: ChapterX.Application/Chapter/Commands/UpdateRequest.cs
===================================================================
--- ChapterX.Application/Chapter/Commands/UpdateRequest.cs	(revision 877c13c3dd0934c1d31da7988d0d2c2c5925ed55)
+++ ChapterX.Application/Chapter/Commands/UpdateRequest.cs	(revision b373fea3e2c9d404606002f8e7ba265a82d68187)
@@ -9,5 +9,6 @@
         string Title,
         string Content,
-        int? WordCount
+        int? WordCount,
+        int CallerId = 0
     ) : IRequest<UpdateResponse>;
 }