You can learn how to AML Monitor a Key Party by following this interactive demonstration. You can also follow the below steps to AML Monitor a Key Party. 

1. In the Salesforce dashboard, click on the Compliance tab
2. Select your Profile out of the list 
3. In the Profile, click the View button on the Key Party you would like to Monitor
4. Click the Manage AML Monitoring button to begin configuring AML Monitoring
5. Toggle to Enable/Disable AML Monitoring
6. Use the second toggle to turn on email alerts if you want to receive these
7. Select email recipients or scroll to the bottom of the list to add new recipients 
8. Click Save, then close the window.
9. You will now see the Key Party marked as Monitored