Create a New Service Factory
- Right-click Files, select Add File.
- Name: MyFactory
- Type: Service Factory

- Under the Case line for XFBRString, enter the following line to enable our service:
return new MyXFBRs();
The result:
case WsAssemblyServiceType.XFBRString:
return new MyXFBRs();
note
You can delete other case blocks, but you do not have to.
- Save .