View an app’s scripting dictionary in Script Editor on Mac
An app’s scripting dictionary displays the scripting vocabulary understood by an app or a scripting addition.
In the Script Editor app on your Mac, choose Window > Library.
Double-click the name of the app in the Library window.
Click the Language pop-up menu, then choose a scripting language.
Select a suite.
If a scriptable app doesn’t appear in the library, see Add or remove apps from the scripting dictionary.