Use the Particle Collision Event Editor with nParticles

You can use the Particle Collision Event Editor to create and edit nParticle collision events.

NoteWhen creating particle collision events using nParticles, be aware of the following:

The collisionGeometryIndex output attribute is not supported for nParticle collision events in Maya 2009.
nParticle collision events pass the name of the Nucleus object that the nParticles are colliding with to the event callback rather than passing the geometry's name.
The Nucleus ground plane cannot be the target of an nParticle collision event.
The collision output attributes in the local space of the collision geometry are not supported in Maya 2009. This includes the following attributes: collisionForce, collisionIncomingVelocity, collisionOutgoingVelocity, collisionNormal, and collisionPosition.