Edit the CI Job, select "Triggered by git commit to branch", then click on the "Setup Webhook" link to open the details pop up screen.
In the pop up details, copy the URL. This will be used in the Azure settings page later.
Now, log into Azure DevOps and open the Projects Settings page. Then select Service hooks > Web Hooks and click on "Next"
In the next page, select "Code pushed" for Trigger on this type event and the Git repository.
In the Action pop up screen, copy and paste the URL from Copado Essentials:
Click on Finish, and your webhook is set!