MORTRIX supports a number of different MIDI Messages including:
CC
PC
NRPN
Note On/Off
CC Pair
Aftertouch
Channel (Poly) Aftertouch
SysEx
But often the MIDI control you are looking for might be more easily available in a Device Profile, saving you from having to look up controller values etc. Simply select the device and the function you wish to control and adjust the value.
Aside from MIDI Messages there are also a number of Utility Messages available: