Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Enabled
TCRANE_VISUALIZATION_ENABLEDParameter: Color
TCRANE_VISUALIZATION_COLORParameter: Target Color
TCRANE_VISUALIZATION_COLOR_TParameter: Link
TCRANE_BASE_LINKParameter: Rail Spline
TCRANE_BASE_LINK_RAILParameter: Base Pos
TCRANE_BASE_LINK_POSParameter: Tangential
TCRANE_BASE_LINK_TANGENTIALParameter: Base Heading
TCRANE_BASE_HEADINGParameter: Base Height
TCRANE_BASE_HEIGHTParameter: Arm Length
TCRANE_ARM_LENGTHParameter: Arm Pitch
TCRANE_ARM_PITCHParameter: Arm Target
TCRANE_ARM_TARGETLINKParameter: Head Height
TCRANE_HEAD_A_HEIGHTParameter: Head Heading
TCRANE_HEAD_A_HEADINGParameter: Head Width
TCRANE_HEAD_B_LENGTHParameter: Head Target
TCRANE_HEAD_TARGETLINKParameter: Camera Pitch
TCRANE_CAM_PITCHParameter: Camera Banking
TCRANE_CAM_BANKINGParameter: Camera Offset
TCRANE_CAM_PARALLAXParameter: Compensate Pitch
TCRANE_CAM_COMPENSATE_PITCHParameter: Compensate Heading
TCRANE_CAM_COMPENSATE_HEADING