hasAlpha

When true, the footage has an alpha component. In this case, the attributes alphaMode, invertAlpha , andpremulColor have valid values. When false, those att

getSeparationFollower()

For a separated, multidimensional property, retrieves a specific follower property. For example, you can use this method on the Position property to access

valueAtTime()

The value of the named property as evaluated at the specified time.Note that the type of value returned is not made explicit; it will be of a different type

matchName

A special name for the property used to build unique naming paths. The match name is not displayed, but you can refer to it in scripts. Every property has a

propertyType

The type of this property.A PropertyType enumerated value; read/write. One of:PropertyType.PROPERTY A single property such as position or zoom.PropertyType.