Hi,
You can access the list of available functions by clicking "Help" in the "language" menu of the script editor.
With script functionnalities of MatchMover, you can get/set informations about cameras, sequences, 2D tracks and 3D positions.
You can also access some of the settings of the UI.
There is few examples in the "script" folder of your MatchMover installation folder.
If you need more specific advices, let us know.
Regards,
Niko