Index: ChapterX.Application/Chapter/Commands/UpdateRequest.cs
===================================================================
--- ChapterX.Application/Chapter/Commands/UpdateRequest.cs	(revision 877c13c3dd0934c1d31da7988d0d2c2c5925ed55)
+++ ChapterX.Application/Chapter/Commands/UpdateRequest.cs	(revision 3ae4bab8dcf6c40690ba2765146e7e1f70fa3a2f)
@@ -9,5 +9,6 @@
         string Title,
         string Content,
-        int? WordCount
+        int? WordCount,
+        int CallerId = 0
     ) : IRequest<UpdateResponse>;
 }