You can create an object node from the Toolbox, Browser, or Model menu.
Use the Object Node tool in the Toolbox.
Select to access the List of Object Nodes, and click the Add a Row tool.
Right-click the model (or a package) in the Browser, and select .
Drag and drop a classifier from the Browser onto an activity diagram. The new object node will be linked to and display the name of the classifier.
For general information about creating objects, see Core Features Guide > The PowerDesigner Interface > Objects.