The functions for drawing set management begin with ade_ds.
ade_dsattach
Attaches a drawing to the project.
ade_dsdetach
Detaches a drawing from the project.
ade_dsisnested
Checks if a drawing has nested drawings.
ade_dslist
Lists the drawings attached to a given drawing.
ade_dsproplist
Lists all values found in the drawing set for a given drawing property.