Creating an opaque action
You can create an Opaque Action through an Activity Diagram or a Modeler pane.
To create an opaque action through an activity diagram:
1. On the Activity Diagram tab, click the 
Opaque Action button, and then on the Activity Diagram click in free space or within an Activity Partition, Interruptible Activity Region or Structured Activity Node.
Opaque Action button, and then on the Activity Diagram click in free space or within an Activity Partition, Interruptible Activity Region or Structured Activity Node.2. Type the name of the Opaque Action, and then press the Enter key.
To create an opaque action through a Modeler pane:
1. In a Modeler pane, right-click the Activity or Structure Activity Node that is to own the Opaque Action, and select > > .
2. Type the name of the Opaque Action, and then press the Enter key.