Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See page_maxonapi_getting_started_foundations_cinema_parameters.
Parameter: Track
TRACKFIELDLAYER_TRACK
Parameter: Type
TRACKFIELDLAYER_DERIVATIVE
Parameter: Recalulate Inputs
TRACKFIELDLAYER_RECALC
Parameter: Input Min
TRACKFIELDLAYER_FROM_MIN
Parameter: Input Max
TRACKFIELDLAYER_FROM_MAX
Parameter: Output Min
TRACKFIELDLAYER_TO_MIN
Parameter: Ouput Max
TRACKFIELDLAYER_TO_MAX
Parameter: Absolute Value
TRACKFIELDLAYER_ABS
Parameter: Offset
TRACKFIELDLAYER_OFFSET
Parameter: Offset
TRACKFIELDLAYER_FIELDS