fontSize

The text layerメs font size in pixels.NOTE: If the text layer has different font size settings for each character, this attribute returns the setting for the

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

add()

Creates a new AVLayer object containing the specified item, and adds it to this collection.The new layer honors the Create Layers at Composition Start Time

effectsActive

True if the layer’s effects are active, as indicated by the icon next to it in the user interface.Boolean; read/write.

canSetExpression

When true, the named property is of a type whose expression can be set by a script. See also Property expression attribute .Boolean; read-only.

keySelected()

Returns true if the specified keyframe is selected.keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the addKey or n

parentProperty

The property group that is the immediate parent of this property, or null if this PropertyBase is a layer.PropertyGroup object or null; read-only.

selectedProperties

An array containing all of the currently selected Property and PropertyGroup objects in the layer.Array of PropertyBase objects; read-only.

setParentWithJump()

Sets the parent of this layer to the specified layer, without changing the transform values of the child layer.There may be an apparent jump in the rotation