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.

addKey()

Adds a new keyframe or marker to the named property at the specified time and returns the index of the new keyframe.time The time, in seconds, at which to a

addComp()

Creates a new composition. Creates and returns a new CompItem object and adds it to this collection.If the ItemCollection belongs to the project or the root

width

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