[FConstraintContainerHandle](API\Runtime\Chaos\Chaos\FPBDPositionConstraints\FConstraintContainerHandle) * AddConstraint ( [FPBDRigidParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidParticleHandle) * Particle, const [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & Position )