Where can I define the default interfaces and VLANs for a host group

Problem:
I need to define a default set of interfaces and VLANs when selecting a host group during create host. Where are they defined?

Expected outcome:
When I select a host group in the create host drop down, the interfaces will be populated with the default interfaces and their assigned VLANs

Foreman and Proxy versions:
3.12.0

Foreman and Proxy plugin versions:
Katello 4.14.0

Distribution and version:
Rocky 8.10

Other relevant data: