Create OU with Workflow

Hello all !

I hope you are well :)

I have a quick question.

I created a new OU creation form.
With a Worflows which creates sub OU, groups, ...

Do you know how I can link Access Templates and Policies to the OUs I created?
The Access Templates are already created, the Trustee group too. Same for the Policy they are already created.
I did not find an action in the Workflow that allows it.
In script can be?

Thank you in advance for your help ;)
Gégé