Hello，
Here's a website that tells me how to get a list of category IDs in Revit：
"How to find Category ID list for "Family Type" parameter type in shared parameters in Revit"
👆This has worked very well for me.
And, How can I get a list of Sub-category IDs in Revit?I searched the forums and didn't find a solution. Please help me take a look, Thanks.
