Returns a list of selected fixtures with the titan fixture ids listed. If pattern select is enabled then just the active selection is returned. Use GetAllSelectedFixtureIds() to get a list of selected fixtures irespective of whether solo select is enabled.
Namespace: Selection.Context
List`1 Selection.Context.GetSelectedFixtureIds()
http://[ip]:4430/titan/script/2/Selection/Context/GetSelectedFixtureIds