If you face issues setting your webhook, please refer to this FAQ to know the procedure to troubleshoot.
You can find the option to set your Webhook/Callback from the app's settings, as shown in the image below, if the callback URL toggle is OFF. You can see incoming messages under the Inbound Messages | Events field. Events and messages logged under this field are stored temporarily, meaning if you refresh the page will clear the logs.
Updated 8 months ago
In the next chapter of this guide, you'll learn about Inbound messages.