Creating a send signal action
You can create a Send Signal Action through an Activity Diagram or a Modeler pane.
To create a send signal action through an activity diagram:
1. On the Activity Diagram tab, click the 
Send Signal Action button, and then on the Activity Diagram click in free space or within an Activity Partition, Interruptible Activity Region or Structured Activity Node.
Send Signal 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. If you want to use an existing Signal as the Linked Item, select the Signal you want to use as the Linked Item, and then click OK.
If you want to create a new Signal to use as the Linked Item, click New.
3. Type the name of the Send Signal Action, and then press the Enter key.
Alternatively:
• Drag the Signal that is to be the Linked Item of the Send Signal Action from a Modeler pane to the Activity Diagram.
If when you create a Send Signal Action you select a Signal that has Attributes, Modeler creates Input Pins on the Send Signal Action for those Attributes.
To create a send signal action through a Modeler pane:
1. In a Modeler pane, right-click the Activity or Structure Activity Node that is to own the Send Signal Action, and select > > .
2. If you want to use an existing Signal as the Linked Item, select the Signal you want to use as the Linked Item, and then click OK.
If you want to create a new Signal to use as the Linked Item, click New.
3. Type the name of the Send Signal Action, and then press the Enter key.
If when you create a Send Signal Action you select a Signal that has Attributes, Modeler creates Input Pins on the Send Signal Action for those Attributes.