In the CRITERIA section of the Settings.... you can limit (filter) the objects by LAYER or NAME or PEN COLOR, etc. It will be your job to make sure all the stuff you want in the schedule has that unique identity (all on the same layer, for example) so that your schedule will look right.
Duane
Visual Frontiers
AC25 :|: AC26 :|: AC27
:|: Enscape3.4:|:TwinMotion
DellXPS 4.7ghz i7:|: 8gb GPU 1070ti / Alienware M18 Laptop