Open Radar

 
Using Swift, following the IceCreamBuilder code example, if I insert an attachment in a conversation, it triggers the didStartSending: callback with a nil MSMessage

override func didStartSending(_ message: MSMessage, conversation: MSConversation) {
        super.didStartSending(message, conversation: conversation)
        // Called when the user taps the send button.
        var startSendingMsg: MSMessage? = message

        if message != nil {
            print("^^ did send message \(message)")
        }
        
        // interact with startSendingMsg 
    }

Steps to Reproduce:
In Swift:
Override didStartSending: method
Insert attachment into conversation
Send attachment
didStartSending: triggers with a nil MSMessage though its type is nonnullable 

Expected Results:
MSMessage type should be MSMessage? or allow MSMessage to include an attachment

Actual Results:
MSMessage is nil

Version:
iOS 10 xcode beta 6

Notes:


Configuration:
iOS 10