Call script with setWaypointStatements

[Antigoon 10]

How can you call a script inside the setWaypointStatements command?

I've tried a few ways but no luck...don't know if I'm writing it wrong or even if it's entirely possible...

[.kju 3244]

_newWaypoint setWaypointStatements ["true","[this] spawn AAS_fnc_sAIWaypointDoneHandler;"];