Per the comment on PC_Delegate, you set the SubCategoryObject to a UFunction pointer.
@DTG_DaveW No you can’t. That would require every class to manually declare a bunch of functions or delegate properties to create the variations with that specific class type. Which is just pointless boilerplate. Ultimately I wrote this as a custom node that combined the two nodes from the original post into a single node with a drop down so that I could do the type validation instead of relying on the delegate pin.