Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Simulation
FP_EMITTER_SIMULATION_PRIORITYParameter: Enabled
FP_EMITTER_EMISSION_ENABLEDParameter: Shape
FP_EMITTER_EMISSION_SHAPEParameter: Size
FP_EMITTER_EMISSION_SHAPE_SIZEParameter: Object
FP_EMITTER_EMISSION_OBJECT_LINKParameter: Object Mode
FP_EMITTER_EMISSION_OBJECT_MODEParameter: Volume Resolution
FP_EMITTER_EMISSION_OBJECT_VOLUME_RESOLUTIONParameter: Scatter Mode
FP_EMITTER_EMISSION_SCATTER_MODEParameter: Restriction
FP_EMITTER_EMISSION_OBJECT_RESTRICTIONParameter: Emission Mode
FP_EMITTER_EMISSION_MODEParameter: Shot
FP_EMITTER_EMISSION_ONCE_COUNTParameter: Rate
FP_EMITTER_EMISSION_CONTINUOUS_RATEParameter: Seed
FP_EMITTER_EMISSION_SEEDParameter: Group
FP_EMITTER_EMISSION_GROUP_LINKParameter: Mode
FP_EMITTER_INITIALVELOCITY_MODEParameter: Multiplier
FP_EMITTER_INITIALVELOCITY_MULTIPLIERParameter: Axis
FP_EMITTER_INITIALVELOCITY_AXISDIRECTIONParameter: Vector
FP_EMITTER_INITIALVELOCITY_VECTORParameter: Velocity Map
FP_EMITTER_INITIALVELOCITY_MAPParameter: Space
FP_EMITTER_INITIALVELOCITY_SPACEParameter: Add Emitter Object Velocity
FP_EMITTER_INITIALVELOCITY_OBJECTParameter: Mode
FP_EMITTER_COLOR_MODEParameter: Color
FP_EMITTER_COLOR_CONSTANTParameter: Color Map
FP_EMITTER_COLOR_MAPParameter: Multiplier
FP_EMITTER_RADIUS_MULTIPLIERParameter: Map
FP_EMITTER_RADIUS_MAPParameter: Draw
FP_EMITTER_DRAW