Use of categories is supported using the Artica v4.40 or Artica v4.30 with unstable service pack 691 ( or above)
In order to use it,
This object acl return True if a domain is detected as threat and False if the domain is safe.
When adding a new ACL object, choose The Shields item
The Shield have no content, no ACL objects parameters.
If you need to une the Shields Feature, you have to enter into The Shields parameters using the left menu Filtering Service / The Shields Service