Setting request destination URL and notification items in order to use Webhook.
From the hamburger menu on the Global Navigation Bar, click on [Settings].
Click [Project Settings] and then click the name of the project from the list.
Click the Webhook Edit icon (Pencil) on [Project Details].
Click Add icon (Plus sign) on [Webhook Setting].
Select the URL and detail on [Add Webhook], then click [Add].
The added detail and the [Publisher Certification Token] will be diplayed on [Webhook Setting].
Click [Regenerate Publisher Certification Token] to reissue if necessary.
To test out the notice, click [Notification Test].
URL format does not match
If the URL is wrong, an error message will show up.