Hi Ashley,
I think it would be valuable to add a "Pinned to UID" condition for Pinned objects, so that you can easily pick all objects which are pinned to a specific object.
I may have originally posted this in the wrong forum, which is why I'm posting here. The original topic is at the link below, and includes the code required to make the change (as of v1.14 I believe):
construct.net/en