An end event defines the location where the flow will stop. If the return type of the flow is
Nothing, a return value should be specified.
If you want to stop your flow after an activity, you link the activity, using a sequence flow with a stop event. In this case, the flow is called from another flow that expects the buyer to be returned.
2 Behavior Properties
2.1 Return value
The return value is the value that is returned to the flow that called the current flow. The value can be entered as an expression.