The Variables editor contains a Variables tab that displays a list of variables defined for the artifact. You can use the Filter text field to filter the list of variables. You use the Variable Information pane to view and edit the properties of the variable that is selected in the list. You can also add event actions to variables in the Event tab of the Variable Information pane.
You can define new variables by clicking the + Variable button.
For application artifacts and flow artifacts, the Variables editor also contains a Types tab that you use to define and edit data types for the artifact.