PLC DDT tags create a folder and a tag of the struct


With control expert, I create DDT tags which are a "struct" of tags:

I link the PLC to ignition with OPC Factory Server.

When I import the tags in the designer, there is a folder with the tag of the struct and a tag that represents the struct:


How can I prevent the "struct tag" to be created and only see the "struct folder"?

Too, when I import the tags in a projet the struct folders don't follow:

What is the issue?

Thank you