How to get PxJoint from RepX collection (or Scene)? PhysX 3.2.0

Hi, I’d like to get all joints from scene. I know how to get actors
( getActors( PxActor ** userBuffer, PxU32 bufferSize)).
Now I’m stock with joints. Is there any similar method?

For each PxActor, call:

virtual PxU32 getConstraints (PxConstraint **userBuffer, PxU32 bufferSize, PxU32 startIndex=0) const =0