From having a look around I’m pretty sure that you can’t, but can someone confirm that you can’t ‘manage’ your custom actions or webhooks at present?
that means no editing of webhook URLs, no deletion of Custom Actions…
It’s really frustrating that either it doesn’t exist or it’s pretty well hidden!
I don’t think you can manage webhooks, but you can in fact manage custom actions if you are using the new Actions beta along with Apps (formerly Pages). If you are, then you should be seeing an Action Tab at the top of the builder.
Yes, I would also like to see the ability to edit webhooks.
But you can delete and copy custom actions inside the action editor by clicking the three verticle dots next to the action name. It opens up a menu for that action:
