1 files changed, 6 insertions, 1 deletions
diff --git a/src/server/Message.ts b/src/server/Message.ts
index 4ec390ade..a5679797f 100644
--- a/src/server/Message.ts
+++ b/src/server/Message.ts
@@ -23,6 +23,7 @@ export interface Transferable {
     readonly id: string;
     readonly type: Types;
     readonly data?: any;
+    readonly mongoCollection?: string;
 }
 
 export enum YoutubeQueryTypes {
@@ -43,6 +44,10 @@ export interface Diff extends Reference {
     readonly diff: any;
 }
 
+export interface SourceSpecified extends Reference {
+    readonly mongoCollection?: string;
+}
+
 export namespace MessageStore {
     export const Foo = new Message<string>("Foo");
     export const Bar = new Message<string>("Bar");
@@ -52,7 +57,7 @@ export namespace MessageStore {
     export const GetDocument = new Message<string>("Get Document");
     export const DeleteAll = new Message<any>("Delete All");
 
-    export const GetRefField = new Message<string>("Get Ref Field");
+    export const GetRefField = new Message<SourceSpecified>("Get Ref Field");
     export const GetRefFields = new Message<string[]>("Get Ref Fields");
     export const UpdateField = new Message<Diff>("Update Ref Field");
     export const CreateField = new Message<Reference>("Create Ref Field");