SAMPLE

An element that reduces the number of particles in the beam by interval-based or random sampling.
Parallel capable? : yes

Parameter Name	Units	Type	Default	Description
FRACTION		double	1	fraction to keep
INTERVAL		long	1	interval between sampled particles
GROUP		string	NULL	Optionally used to assign an element to a group, with a user-defined name. Group names will appear in the parameter output file in the column ElementGroup