SlideShowSettings.Run (PowerPoint)

Runs a slide show of the specified presentation. Returns a SlideShowWindow object.

To run a custom slide show, set the RangeType property to ppShowNamedSlideShow, and set the SlideShowName property to the name of the custom show you want to run.

Dim sswRun As SlideShowWindow
Set sswRun = ActivePresentation.SlideShowSettings.Run()