Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Use IK
ID_CA_IK_TAG_ENABLEParameter: IK Solver
ID_CA_IK_TAG_SOLVERParameter: Point IK
ID_CA_IK_TAG_SPLINEParameter: Start
ID_CA_IK_TAG_START_INDEXParameter: End
ID_CA_IK_TAG_END_INDEXParameter: End
ID_CA_IK_TAG_TIPParameter: Goal
ID_CA_IK_TAG_TARGETParameter: Add Goal
ID_CA_IK_TAG_ADD_GOALParameter: IK/FK
ID_CA_IK_TAG_IKFKParameter: Reset FK
ID_CA_IK_TAG_RESET_FKParameter: Strength
ID_CA_IK_TAG_STRENGTHParameter: Preferred Rot
ID_CA_IK_TAG_PREFERRED_WEIGHTParameter: Goal Offset
ID_CA_IK_TAG_GOAL_OFFSETParameter: Axis
ID_CA_IK_TAG_POLE_AXISParameter: Twist
ID_CA_IK_TAG_POLE_TWISTParameter: Object
ID_CA_IK_TAG_POLEParameter: Add Pole
ID_CA_IK_TAG_ADD_POLEParameter: Squash
ID_CA_IK_TAG_SQUASHParameter: Type
ID_CA_IK_TAG_SQUASH_TYPEParameter: Distance
ID_CA_IK_TAG_SQUASH_CLAMP_DISTParameter: Clamp
ID_CA_IK_TAG_SQUASH_CLAMPParameter: Stretch
ID_CA_IK_TAG_STRETCHParameter: Type
ID_CA_IK_TAG_STRETCH_TYPEParameter: Distance
ID_CA_IK_TAG_STRETCH_CLAMP_DISTParameter: Clamp
ID_CA_IK_TAG_STRETCH_CLAMPParameter: Show FK
ID_CA_IK_TAG_DRAW_FK_CHAINParameter: Show IK
ID_CA_IK_TAG_DRAW_IK_CHAINParameter: Handle Line
ID_CA_IK_TAG_DRAW_HANDLE_LINEParameter: Pole Vector
ID_CA_IK_TAG_DRAW_POLEParameter: FK
ID_CA_IK_TAG_DRAW_FK_COLORParameter: IK
ID_CA_IK_TAG_DRAW_IK_COLORParameter: Handle
ID_CA_IK_TAG_DRAW_HANDLE_COLORParameter: Pole Vector
ID_CA_IK_TAG_DRAW_POLE_COLORParameter: Keep Goal
ID_CA_IK_TAG_GOAL_UPDATEParameter: Constrain Goal
ID_CA_IK_TAG_GOAL_CONSTRAINParameter: Update On Goal
ID_CA_IK_TAG_GOAL_DIRTYParameter: Align Goal
ID_CA_IK_TAG_ALIGN_GOALParameter: Update IK on FK
ID_CA_IK_TAG_UPDATEFKIKParameter: Max Iterations
ID_CA_IK_TAG_SOLVER_ITERATIONS_MAXParameter: Threshold
ID_CA_IK_TAG_SOLVER_THRESHOLDParameter: Enable
ID_CA_IK_TAG_DYNAMICS_ENABLEParameter: Strength
ID_CA_IK_TAG_DYNAMICS_STIFFNESSParameter: Drag
ID_CA_IK_TAG_DYNAMICS_DRAGParameter: Pos Hold
ID_CA_IK_TAG_DYNAMICS_POSHOLDParameter: Rot Hold
ID_CA_IK_TAG_DYNAMICS_ROTHOLDParameter: Collisions
ID_CA_IK_TAG_DYNAMICS_COLLISIONSParameter: Radius
ID_CA_IK_TAG_DYNAMICS_RADIUSParameter: Friction
ID_CA_IK_TAG_DYNAMICS_FRICTIONParameter: Bounce
ID_CA_IK_TAG_DYNAMICS_BOUNCEParameter: Objects
ID_CA_IK_TAG_DYNAMICS_COLLIDERSParameter: Position
ID_CA_IK_TAG_DYNAMICS_POSHOLD_CURVEParameter: Rotation
ID_CA_IK_TAG_DYNAMICS_ROTHOLD_CURVEParameter: Gravity
ID_CA_IK_TAG_DYNAMICS_GRAVITYParameter: Mode
ID_CA_IK_TAG_DYNAMICS_FORCES_INCEXCParameter: Forces
ID_CA_IK_TAG_DYNAMICS_FORCESParameter: Continuous Update
ID_CA_IK_TAG_DYNAMICS_CUPDATEParameter: Steps
ID_CA_IK_TAG_DYNAMICS_SUBDIVParameter: Auto
ID_CA_IK_TAG_DYNAMICS_AUTOTIMEParameter: Start
ID_CA_IK_TAG_DYNAMICS_STARTParameter: Stop
ID_CA_IK_TAG_DYNAMICS_STOP