operation   _In_
Type: XUserPlatformOperationThe handle for this operation.result   _In_
Type: XUserPlatformSpopOperationResultThe result of the user interaction
This should be called after a XUserPlatformSpopPromptEventHandler when the user makes a choice or if a failure occurs.Call this function exactly once for each operation that XUser passes to your XUserPlatformSpopPromptEventHandler. Until you call it, the XUserAddAsync operation doesn’t complete.