post https://mysite.com/api/fourthline/
This page sets out the possible webhook notifications for Workflows v2 cases.
Tip
To view all example notifications, in the sandbox header, click: 
You can configure multiple webhook URLs for a single workflow.
Examples:
Also, you can assign different credentials to each URL. This is useful when targeting separate environments.
You can configure multiple webhook URLs for a single workflow.
Examples:
https://mysite.com/webhooks/workflow/test/{workflowId}https://mysite.com/webhooks/workflow/prod/{workflowId} Also, you can assign different credentials to each URL. This is useful when targeting separate environments.
More information
For how to set up webhooks, see Webhooks.