The properties of the Size class allow you to specify the current size of the animation and optionally specify expressions that dynamically resize based the object. The size is expressed in pixels.



Width

Width of the animation. 

Width (expression)

Specifies an expression that controls the horizontal size of the animation.

If not filled in, the animation retains its original width.

Height

Height animation

Height (expression)

Specifies an expression that controls the vertical size of the animation.

If not filled in, the animation retains its original height.