Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Simulation
RIGIDBODY_PBD_SIMULATION_PRIORITYParameter: Enable
RIGIDBODY_USEParameter: Mass
RIGIDBODY_PBD_MASSParameter: Rotational Mass
RIGIDBODY_PBD_ROTATIONAL_MASSParameter: Friction
RIGIDBODY_PBD_FRICTIONParameter: Bounciness
RIGIDBODY_PBD_BOUNCINESSParameter: Stickiness
RIGIDBODY_PBD_STICKINESSParameter: Thickness
RIGIDBODY_PBD_THICKNESSParameter: Is Hollow
RIGIDBODY_PBD_ISHOLLOWParameter: Collision Side
RIGIDBODY_PBD_COLLISION_SIDEParameter: Collision Shapes
RIGIDBODY_PBD_COLLISION_SHAPESParameter: Geometry Accuracy
RIGIDBODY_PBD_CONVEXDECOMPOSITION_ACCURACYParameter: Custom Center
RIGIDBODY_PBD_CUSTOM_CENTER_OF_MASSParameter: Center
RIGIDBODY_PBD_CENTER_OF_MASSParameter: Trigger
RIGIDBODY_PBD_TRIGGER_TYPEParameter: Trigger Velocity Threshold
RIGIDBODY_PBD_TRIGGER_VELOCITY_THRESHOLDParameter: Custom Initial Velocity
RIGIDBODY_PBD_CUSTOM_INITIAL_VELOCITYParameter: Object Coordinates
RIGIDBODY_PBD_INITIAL_VELOCITY_IN_LOCALSPACEParameter: Direction
RIGIDBODY_PBD_INITIAL_LINEAR_VELOCITYParameter: Speed
RIGIDBODY_PBD_INITIAL_LINEAR_VELOCITY_STRENGTHParameter: Shoot At
RIGIDBODY_PBD_INITIAL_VELOCITY_TARGETParameter: Custom Initial Angular Velocity
RIGIDBODY_PBD_CUSTOM_INITIAL_ANGULAR_VELOCITYParameter: Object Coordinates
RIGIDBODY_PBD_INITIAL_ANGULAR_VELOCITY_IN_LOCALSPACEParameter: Axis
RIGIDBODY_PBD_INITIAL_ANGULAR_VELOCITYParameter: Speed
RIGIDBODY_PBD_INITIAL_ANGULAR_VELOCITY_STRENGTHParameter: Draw
RIGIDBODY_PBD_DRAW_INITIAL_VELOCITYParameter: Follow Position
RIGIDBODY_PBD_FORCES_FOLLOW_POSITION_STRENGTHParameter: Damping
RIGIDBODY_PBD_FORCES_FOLLOW_POSITION_DAMPINGParameter: Recoil
RIGIDBODY_PBD_FORCES_FOLLOW_POSITION_RECOILParameter: Follow Rotation
RIGIDBODY_PBD_FORCES_FOLLOW_ROTATION_STRENGTHParameter: Damping
RIGIDBODY_PBD_FORCES_FOLLOW_ROTATION_DAMPINGParameter: Recoil
RIGIDBODY_PBD_FORCES_FOLLOW_ROTATION_RECOILParameter: Mode
RIGIDBODY_PBD_FORCES_INEXMODEParameter: Objects
RIGIDBODY_PBD_FORCES_INEXCLUDEParameter: Pyro
RIGIDBODY_PBD_FORCES_INEX_PYROParameter: Cache Mode
RIGIDBODY_PBD_CACHE_ENABLEParameter: Start
RIGIDBODY_PBD_CACHE_STARTParameter: Calculate Cache
RIGIDBODY_PBD_DO_CALCULATEParameter: Cache Scene
RIGIDBODY_PBD_DO_CALCULATE_ALLParameter: Clear Cache
RIGIDBODY_PBD_DELCACHEParameter: Clear Cache Scene
RIGIDBODY_PBD_DELCACHE_ALLParameter: Update Frame
RIGIDBODY_PBD_CACHE_FRAME