VBA Code

AddIns Collection

This collection includes all the global templates and Word add-ins in libraries (WLLs) that are listed in the Templates and AddIns dialog box

Application.AddIns.Items(1) 

Templates Collection

This collection includes all the available global templates and those attached to open documents

Application.Templates.Items(1) 

Important

Do not use the "Auto_Open" event as it is only available for backwards compatibility.