If you install a device and you select it from the Output Routing pop-up menu for the MIDI track, you can select patches by name.
Procedure
Select the MIDI track that you want to associate to the installed device.
In the Routing section of the Inspector, select the installed device.
This routes the MIDI track to the MIDI output, as specified for the device in the MIDI Device Manager. The Bank Selector and the Program Selector fields are replaced by a single Program Selector field that reads Off.
Open the Program Selector.
A program list, similar to the one in the MIDI Device Manager, is shown.
Select an entry from the list.
Result
The corresponding MIDI message is sent to the device.