Shortcut Category: Shortcuts for PowerPoint
Shortcut Commands: Pause slide shows, Resume slide shows, Toggle Pause/Resume slide shows

Default Shortcut Keys:

Ctrl+Alt+Shift+P: Pause all slide shows
Ctrl+Alt+Shift+R: Resume all slide shows
Ctrl+Alt+Shift+T: Toggle Pause/Running states of slide shows

Description:

This feature of Shortcuts for PowerPoint will enable you to pause the running slide show (even in kiosk mode), resume a paused slide show or toggle between these states.

For calling from macros:

Sub PPShortcuts_PauseSlideShows()
    Application.Run "PPShortcuts.ppa!PauseSlideShows"
End Sub

Sub PPShortcuts_ResumeSlideShows()
    Application.Run "PPShortcuts.ppa!ResumeSlideShows"
End Sub

Sub PPShortcuts_TogglePauseResumeSlideShows()
    Application.Run "PPShortcuts.ppa!TogglePauseResumeSlideShows"
End Sub