Perform the following steps:
- Navigate to the Azure portal at http://portal.azure.com and sign in.
- In the Azure portal, type Automation Accounts and select and open your automation account.
- From the hub, select Runbooks and open the list of Runbooks.
- From the Runbooks blade in the Azure portal, click the Runbook that the webhook will start.
- Click Webhook at the top of the blade to open the Add Webhook blade.
- Specify a name, enabled status (yes or no), and an expiration date.
- Copy and record the URL.
- Click Parameters to specify the webhook parameters, and click Create to finish.