Called when a file is received successfully.
- iOS 9.0+
- watchOS 2.0+
The session object of the current process.
The object containing the URL of the file and any additional information. If you want to keep the file referenced by this parameter, you must move it synchronously to a new location during your implementation of this method. If you do not move the file, the system deletes it after this method returns.
The session object calls this method when it successfully receives a file from its counterpart. Implement this method and use it to incorporate the file information into the current app. This method is called on a background thread of your app.