Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Script
GV_COFFEE_CODEParameter: Unprotect...
GV_COFFEE_UNLOCKParameter: On
GV_COFFEE_ONParameter: Bool
GV_COFFEE_BOOL_INPUTParameter: Bool
GV_COFFEE_BOOL_OUTPUTParameter: Integer
GV_COFFEE_LONG_INPUTParameter: Integer
GV_COFFEE_LONG_OUTPUTParameter: Real
GV_COFFEE_REAL_INPUTParameter: Real
GV_COFFEE_REAL_OUTPUTParameter: Time
GV_COFFEE_TIME_INPUTParameter: Time
GV_COFFEE_TIME_OUTPUTParameter: Vector
GV_COFFEE_VECTOR_INPUTParameter: Vector
GV_COFFEE_VECTOR_OUTPUTParameter: Matrix
GV_COFFEE_MATRIX_INPUTParameter: Matrix
GV_COFFEE_MATRIX_OUTPUTParameter: String
GV_COFFEE_STRING_INPUTParameter: String
GV_COFFEE_STRING_OUTPUTParameter: Filename
GV_COFFEE_FILENAME_INPUTParameter: Filename
GV_COFFEE_FILENAME_OUTPUTParameter: Link
GV_COFFEE_LINK_INPUTParameter: Link
GV_COFFEE_LINK_OUTPUT