Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See page_maxonapi_getting_started_foundations_cinema_parameters.
Parameter: Mode
FP_STICK_OBJECT_BEHAVIOUR
Parameter: Contact on
FP_STICK_OBJECT_BEHAVIOUR_PROXIMITY
Parameter: Strength
FP_STICK_OBJECT_STRENGTH
Parameter: Radius
FP_STICK_OBJECT_RADIUS
Parameter: Consider Particle Radius
FP_STICK_OBJECT_CONSIDER_PARTICLERADIUS
Parameter: Switch on Contact
FP_STICK_OBJECT_CONTACTBEHAVIOUR_SWITCHGROUP
Parameter: Target Group
FP_STICK_OBJECT_TARGET_GROUP
Parameter: Create Group
FP_STICK_OBJECT_TARGET_GROUP_CREATE
Parameter: Mode
FP_STICK_OBJECT_ELEMENTS_INEXMODE
Parameter: Simulation Tags
FP_STICK_OBJECT_ELEMENTS
Parameter: Select Geometry to stick to
FP_STICK_OBJECT_SELECT_GEOMETRY