You can create an event from the Browser, from the Model menu or from a transition property sheet.
            - 
                    Select  to access the List of Events, and click the Add a Row tool. 
- 
                    Right-click the model or package in the Browser, and select
                            . 
- 
                    Double-click a transition to open its property sheet, click
                        the Trigger tab, and then click the
                            Create tool to the right of the
                            Trigger event box. 
 
For general information about creating objects, see Core Features Guide > Modeling with PowerDesigner > Objects.