Undo/Global Reset help

Hi, so I'm trying to setup a midi binding that uses one tap for Undo, and a long press for global reset. This is the script I tried:

!name Undo/Global Reset


Undo

end


label sustain

if sustainCount = 1

Global Reset

endif


Where did I go wrong?

System Info:

Macbook Pro (2008) 2.4 Core Duo Intel 8GB Ram
OSX Yosimite
Mobius in Standalone
Focusrite Scarlett 6i6 Interface
Fractal Audio MFC-101 Midi Controller

Undo/Global Reset help