Creating an Activation

You can create an activation when you create a Procedure Call message or afterwards for any type of message. A Procedure Call generally starts an activation, that is why the message is automatically attached to an activation.

• Creating Activations with Procedure Call Messages
  Activations are automatically created when you create procedure call messages in the diagram.
• Creating an Activation from a Diagram
  You can create an activation from a diagram using the Activation tool.