To create the Second End Of Association operation for coloring Associations between a Block and a Use Case
Click the plus sign next to the Owned Parameter property to edit it.
If you cannot see the Owned Parameter property, make sure the Expert mode is enabled.
Click Create operation > Script.
If you cannot see the Script operation, make sure the Expert mode is enabled.
Insert the following script as the Body:
var isActor = arg1.iterator() isActor.next() isActor.next()