Allow GET to trigger webhook?

How do I use a regular GET request to trigger an event with a webhook? I need to make it simple for someone that is literally impossible to explain anything to. Like annoyingly impossible. Really elderly. And just can’t anything with technology. Like at all.

You can allow the GET method in the allowed_methods, like this:

    - platform: webhook
      webhook_id: "some_hook_id"
        - GET