Installs an MSMQ message queue. Extensibility point in the WiX XML Schema. Schema extensions can register additional elements at this point in the schema. Identifier for the message queue. If the Id is not specified, one will be generated. The default value is "no". The base priority of the queue. The default value is "no". The default value is "no". Extensibility point in the WiX XML Schema. Schema extensions can register additional attributes at this point in the schema.