USB-UIRT with Harmony 680?

Hi,
Just installed my USB-UIRT and trying to figure out what to get my Harmony 680 to send. I tried adding a "UIRT" device to my harmony but there's no built-in codes for that. Anyone else doing this and can give me pointers?
Just installed my USB-UIRT and trying to figure out what to get my Harmony 680 to send. I tried adding a "UIRT" device to my harmony but there's no built-in codes for that. Anyone else doing this and can give me pointers?