Sharepoint REST API PATCH Termstore items in Power Automation

Question

Hi there, 

I'm working very sucessfully with Sharepoint REST api to get information from the Termstore.

I could also read metadata on the second level using the following api entry with get:

_api/v2.1/termStore/groups/@{items('Apply_to_each')?['Group']}/sets/@{items('Apply_to_each')?['Termset']}/terms/@{items('Apply_to_each')?['Term']} 

So now I have all Group#, Termset# and Term#.

With these I could update successfully each term description.

But now I would like to add the "other labels". I tried PATCH, POST  and PUT but without any success.

Any idea how to manage this using Power Automation and HTTP Post api?

 

Thanks for suggestions and examples

 

   Dieter