FootageSource object

The FootageSource object holds information describing the source of some footage. It is used as themainSource of a FootageItem, or the proxySource of a Comp

Layer object

The Layer object provides access to layers within compositions. It can be accessed from an itemメs layer collection either by index number or by a name strin

AVItem object

The AVItem object provides access to attributes and methods of audio/visual files imported into After Effects.ユ AVItem is a subclass of Item. All methods an

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

Project object

The project object represents an After Effects project. Attributes provide access to specific objects within the project, such as imported files or footage

PropertyBase object

Properties are accessed by name through layers, using various kinds of expression syntax, as controlled by application preferences. For example, the followi

PropertyGroup object

The PropertyGroup object represents a group of properties. It can contain Property objects and other PropertyGroup objects. Property groups can be nested to

Item object

The Item object represents an item that can appear in the Project panel.The first item is at index 1.ユ Item is the base class for AVItem and for FolderItem,