You can select and drag any palette item to the Process Editor canvas.
With the activity in focus on the Process Editor canvas, you can set property values in the Properties view. Be sure to select the activity, as shown on the right, and not the bordered sequence, as shown on the left.
This illustration shows an example of the basic activity properties. The example activity is a reply.
Note that the BPMN construct selected is a Message throw event implemented as a Reply.
Select the All tab in the Properties view to display all the properties for an activity. The All tab contains the standard properties for all activities. In the illustration below, basic and advanced properties are displayed.
When your mouse hovers over an activity icon, you see property details for the activity. The following illustration shows an example.
For more information, see:
Selecting Values for Activity Properties
Standard Properties for Activities