ParticleEmitter script variables not found

Hi,

I'm wondering why I can't seem to access the variables for "One Shot" and "Ellipsoid" from script for EllipsoidParticleEmitter?

I looked up ParticleEmitter in the Script Reference and it doesn't mention them either. I'm trying to Instantiate particles during run-time and I don't really want to have to create a new prefab for all scenarios.