Click the Scaling tab to scale the object both vertically or horizontally, depending on the return of an expressionA statement (or group of statements) that returns a value. An expression can be a single variable, a mathematical formula, or a function., or the state of a tag.
The check mark to the left of the Scaling tab tells you when a Scaling property has been configured. The check marks in the tabs down the right of the dialog indicate which property is configured.
Click the other tabs to define more properties for the object. Most properties work together, for example, an object could possess color fill, movement, and scaling properties simultaneously.