How to get the information of rebar hook type

When I pass the node(element.parameters), I still cannot get this information. How to calculate rebar hook type?

I found a lot of nodes. Still not work. Can you help me?

Again, please refer to the FAQ on how to ask for help. Posting some more work (screen capture of your nodes), actually uploading your DYN, posting any error messages will get you hopefully some results.

I use the Chinese version

take a look here. Might be of some help. Setting rebar container dimensions in Dynamo (Dynamo for Rebar)

I have read this article several times and still can’t find what I want