i have developed the application APP extension using VBS againts the Fusion.

Summary:

I have developed the application APP extension using VBS againts the Fusion. In that i have to add the approval workflow. Usally we will setup the approval using Oracle PCS but in Fusion Extension will the PCS againts the OCI will work or not. If Possible what we need to do , If not possible what are the Workaround available for this. while i am trying use the PCS the in the form of the PCS , I have added the external UI which is developed in Fusion VBS. it showing the error as refused