To perform any operation (such as putting or getting messages), you must first open the queue. You can open the same object more than once, and each time you get a new object handle by defining a connection specification in Sample Application 2 the queue was opened with the connectUsing: method. For Sample Application 1, open the queue with specific options using the openWithOptions: method. Note that the options being opened can also be referred to using the AbtMQConstants pool dictionary.