The effects available in the application.
Array, with each element containing the following properties; read-only:
displayName String representing the localized display name of the effect as seen in the Effect menu.
category String representing the localized category label as seen in the Effect menu. This can be for synthetic effects that aren’t normally shown to the user.
matchName String representing the internal unique name for the effect. This name does not change between versions of After Effects. Use this value to apply the effect.
var effectName = app.effects.displayName;