I donate some INPlayMediaIntent to system, and I find them in Control center, when I click one of them to play media background, the handler don't execute resolve method, I wanna resolve some mediaItems for suggestion playlist

How can I make my app support this recommendation? Is there any relevant documentation?

Same as title

setting managedObject's relationship value will occur error like 'Illegal attempt to establish a relationship ‘u’ser between objects in different contexts in NSBatchInsertRequest