Pass custom user data (Airtable) to embedded Jotform form.

Hello community!

I am working on a small CRM for my sales team.
I’m currently in Wordpress, but I already have everything set up in Softr to move to production.

The only problem I have not been able to save is:

All my forms have a field called: “Mediator Code” with which I identify who makes the request.

I have tried to include in the url the parameter:

But I can’t retrieve the data.

Has anyone been able to pass the data?
I have searched in the community and I have tried with the following code

But I can’t get it to work.