WP Webhooks field for add arguments ''above the field''

Hello experts!
I have a questions. Please look to the pictures. The One picture i make the settings in may this year. I can add fields or labels when i want.
The problem today: I cannot find the field to add more labels on a new automation.

Maybe you can help me.
The documentation, which is linked is old: https://wp-webhooks.com/pro/?wpwh=wp-webhooks-pro&wpwhtb=receive-data

OLD:

NEW with problems (not fields to ad label and value)

Hi @bogdasch,

Please allow us some time to look into this concern. We will get back to you with an update soon.

Ok thank you! How long it takes?

I could not give you a specific time because the fix may require some testing. We will let you know as soon as the issue is fixed.

Hello @ArshilAhmad ,
i need this function really quick. Maybe you have a other solution for me?

The issue has been fixed; you can add the fields now.