Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Strength
FP_FLOCK_OBJECT_GLOBAL_STRENGTHParameter: Maximum Speed
FP_FLOCK_OBJECT_MAXIMUM_SPEEDParameter: Cohesion Strength
FP_FLOCK_OBJECT_STRENGTH_GROUPINGParameter: Cohesion Radius
FP_FLOCK_OBJECT_RADIUS_GROUPINGParameter: Separation Strength
FP_FLOCK_OBJECT_STRENGTH_SEPARATIONParameter: Separation Radius
FP_FLOCK_OBJECT_RADIUS_SEPARATIONParameter: Alignment Strength
FP_FLOCK_OBJECT_STRENGTH_ALIGNMENTParameter: Alignment Radius
FP_FLOCK_OBJECT_RADIUS_ALIGNMENTParameter: Pursuit Strength
FP_FLOCK_OBJECT_PURSUIT_STRENGTHParameter: Predator Group
FP_FLOCK_OBJECT_PURSUIT_MASKParameter: Flee Strength
FP_FLOCK_OBJECT_FLEE_STRENGTHParameter: Prey Group
FP_FLOCK_OBJECT_FLEE_MASKParameter: Strength
FP_FLOCK_OBJECT_RANDOM_STRENGTHParameter: Scale
FP_FLOCK_OBJECT_RANDOM_SCALEParameter: Frequency
FP_FLOCK_OBJECT_RANDOM_FREQUENCYParameter: FOV
FP_FLOCK_OBJECT_FIELD_OF_VIEWParameter: FOV Falloff
FP_FLOCK_OBJECT_FIELD_OF_VIEW_FALLOFF