addNull()

Creates a new null layer and adds the AVLayer object to this collection. This is the same as choosing Layer > New > Null object.duration Optional, the lengt

sourceRectAtTime()

Retrieves the rectangle bounds of the layer at the specified time index, corrected for text or shape layer content.Use, for example, to write text that is p

canImportAs()

Reports whether the file can be imported as the source of a particular object type. If this method returns true, you can set the given type as the value of

CompItem object

The CompItem object represents a composition, and allows you to manipulate and get information about it.Access the objects by position index number in a pro

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

AVLayer object

The AVLayer object provides an interface to those layers that contain AVItem objects composition layers, footage layers, solid layers, text layers, and sou

shy

When true, the layer is shy, meaning that it is hidden in the Layer panel if the compositionï¾’s Hide all shy layers option is toggled on.Boolean; read/write.

canSetEnabled

When true, you can set the enabled attribute value. Generally, this is true if the user interface displays an eyeball icon for this property; it is true for

copyToComp()

Copies the layer into the specified composition. The original layer remains unchanged. Creates a new Layer object with the same values as this one, and prep

Collection object

Like an array, a collection associates a set of objects or values as a logical group and provides access to them by index. However, most collection objects