The Debugger’s Properties tab shows all the property values of any movie clip on the Stage. If you change a value, you can see its effect in the SWF file while it runs. (Some movie clip properties are read-only and cannot be changed.)
Display a movie clip’s properties
in the Debugger
Modify a property value
In the Debugger’s Properties tab,
double-click the value, and enter a new value.
Enter a string (any value surrounded by quotation marks), a number, or a Boolean value (true or false). You cannot enter an expression (for example, x + 50), or object or array values (for example, {id: "rogue"} or [1, 2, 3]).