TYPE: POP
TITLE: VEX POP

The VEX POP executes a VEX script to modify the input particles.

Parameters:
    Activation       - Turns the POP on and off		/activate
    Source Group     - Subset of points to act on
    Script           - Specifies VEX script command to execute
    Re-load VEX Functions - Causes the VEX script to be re-loaded.
                            This is useful if you modify the VEX
                            script while this POP is running.

