AddTitleMaster Method
Adds a title master to the specified presentation. Returns a Master object that represents the title master. If the presentation already has a title master, an error occurs.
expression.AddTitleMaster
expression Required. An expression that returns one of the objects in the Applies To list.
Example
This example adds a title master to the active presentation if it doesn't already have one.
With Application.ActivePresentation
If Not .HasTitleMaster Then .AddTitleMaster
End With