Attach/detach, ODEDIT_ADEATTACHDATA command – attaching or detaching the specified OD of graphic elements. Select in the list in left part of the window the required OD and action Attach or Detach. When you select Attach, you can enter values for the fields of attached OD.
The command processes both the preliminary and subsequent selection of graphic elements. By subsequent selection Enter means "all objects". Only graphic elements from visible and unfrozen or unlocked layers are processed.
See more fully in:
ODEDIT_description_en_125-2d.htm