CloudKit User Push Notifications

var users:[CKDiscoveredUserInfo]!
        var currentUser = ""
        var sharedUser = ""
        container.fetchUserRecordIDWithCompletionHandler { (theCurrentUser, error) -> Void in
            currentUser = theCurrentUser!.recordName
            print("User: \(theCurrentUser!.recordName)")
                       self.container.discoverAllContactUserInfosWithCompletionHandler({ (retrieverUsers, error) -> Void in

            self.container.discoverUserInfoWithEmailAddress("email@icloud.com", completionHandler: { (discoveredUser, error) -> Void in
                if error == nil {
                sharedUser = discoveredUser!.userRecordID!.recordName
                    print(sharedUser)
                } else {
                    print("Error")
                }
            })

            var userArray = [currentUser,sharedUser]

            let myRecord = CKRecord(recordType: "MyRecords")
            myRecord.setObject("this is one", forKey: "one")
            myRecord.setObject("this is two", forKey: "two")
            myRecord.setObject(currentUser, forKey: "currentUser")
            myRecord.setObject(userArray, forKey: "userAccess")

            self.publicDB!.saveRecord(myRecord, completionHandler:
                ({returnRecord, error in
                    if let err = error {
                    } else {
                        dispatch_async(dispatch_get_main_queue()) {
                        }
                    }
                }))


        }