workAreaStart

The time when the Composition work area begins, in seconds.Floating-point; read/write.

vertices

The anchor points of the shape. Specify each point as an array of two floating-point values, and collect the point pairs into an array for the complete set

lightType

For a light layer, its light type.Trying to set this attribute for a non-light layer produces an error.ALightType enumerated value; read/write. One of:Light

propertyValueType

The type of value stored in thenamed property. The PropertyValueType enumeration has one value for each type of data that can be stored in or retrieved from

height

The height of the layer in pixels.Floating-point; read-only.

timeSpanDuration

The duration in seconds of the composition to be rendered. The duration is determined by subtracting the start time from the end time. Setting this value is

addBoxText()

Creates a new paragraph box text layer and adds the new TextLayer object to this collection.To create a point text layer, use the addText method. For more i

replaceWithPlaceholder()

Changes the source of this FootageItem to the specified placeholder. Creates a new PlaceholderSource object, sets its values from the parameters, and sets m

color

The color of the solid, expressed as red, green, and blue values.Array of three floating-point values, [R, G, B], in the range [0.0..1.0]; read/write.

duration

The markerメs duration, in seconds. The duration appears in the Timeline panel as a short bar extending from the marker location.Floating point; read/write.