Index: ChapterX.Application/Collaboration/Commands/AddRequest.cs
===================================================================
--- ChapterX.Application/Collaboration/Commands/AddRequest.cs	(revision 877c13c3dd0934c1d31da7988d0d2c2c5925ed55)
+++ ChapterX.Application/Collaboration/Commands/AddRequest.cs	(revision e882b92860e1899312f197af1134bb0f33d30d15)
@@ -3,4 +3,4 @@
 namespace ChapterX.Application.Collaboration.Commands
 {
-    public record AddRequest(int UserId, int StoryId, string Role) : IRequest<AddResponse>;
+    public record AddRequest(int UserId, int StoryId, string Role, int? PermissionLevel = null) : IRequest<AddResponse>;
 }