Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Group
FP_EMITTER_ATTRIBUTES_GROUP_LINKParameter: Create Group
FP_EMITTER_ATTRIBUTES_GROUP_CREATEParameter: Lifetime
FP_EMITTER_ATTRIBUTES_LIFETIME_EXPECTATIONParameter: Lifetime Variance
FP_EMITTER_ATTRIBUTES_LIFETIME_VARIANCEParameter: Speed
FP_EMITTER_ATTRIBUTES_VELOCITY_SPEEDParameter: Speed Variance
FP_EMITTER_ATTRIBUTES_VELOCITY_SPEED_VARIATIONParameter: Direction
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_MODEParameter: Axis
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_AXISParameter: Vector
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_VECTORParameter: Target
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_TARGET_LINKParameter: Rail Spline
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_RAIL_LINKParameter: Space
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_SPACEParameter: Spread
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_FOVParameter: Spread Falloff
FP_EMITTER_ATTRIBUTES_VELOCITY_DIRECTION_FOVFALLOFFParameter: Add Emitter Velocity
FP_EMITTER_ATTRIBUTES_VELOCITY_ADDSOURCEVELOCITYParameter: Linear
FP_EMITTER_ATTRIBUTES_VELOCITY_ADDSOURCEVELOCITY_LINEARParameter: Angular
FP_EMITTER_ATTRIBUTES_VELOCITY_ADDSOURCEVELOCITY_ANGULARParameter: Forward Vector
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_MODEParameter: Axis
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_AXISParameter: Vector
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_VECTORParameter: Target
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_TARGET_LINKParameter: Vector Space
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_AXIS_SPACEParameter: Spread
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_FOVParameter: Spread Falloff
FP_EMITTER_ATTRIBUTES_ALIGNMENT_FORWARD_FOVFALLOFFParameter: Up Vector
FP_EMITTER_ATTRIBUTES_ALIGNMENT_UPParameter: Speed
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINSPEEDParameter: Speed Variance
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINSPEED_VARIANCEParameter: Spin Vector
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_MODEParameter: Axis
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_AXISParameter: Vector
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_VECTORParameter: Target
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_TARGET_LINKParameter: Vector Space
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_SPACEParameter: Spread
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_FOVParameter: Spread Falloff
FP_EMITTER_ATTRIBUTES_ANGULARVELOCITY_SPINVECTOR_FOVFALLOFFParameter: Sample Mode
FP_EMITTER_ATTRIBUTES_COLOR_MODEParameter: Color
FP_EMITTER_ATTRIBUTES_COLOR_COLORParameter: Alpha
FP_EMITTER_ATTRIBUTES_COLOR_COLOR_ALPHAParameter: Repeat X times
FP_EMITTER_ATTRIBUTES_COLOR_SPLINE_REPEATParameter: Gradient
FP_EMITTER_ATTRIBUTES_COLOR_GRADIENTParameter: Radius
FP_EMITTER_ATTRIBUTES_RADIUS_RADIUSParameter: Variance
FP_EMITTER_ATTRIBUTES_RADIUS_VARIANCE