Even those of us who are experts can't easily figure out a Step By Step way to do this for ourselves. If you are very familiar with OSC, there are abilities to use OSC to trigger commands.

However you are much better off to use the HTTP text messages that are documented in the Web docs that come with Catalyst.

Unless you have a very good grasp of IO, MIDI, and how devices interface, then I suggest you not try to jump into this with any high hopes.