Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Time
GV_TIME_OPERATOR_OUTPUT_TIME
Parameter: Real
GV_TIME_OPERATOR_OUTPUT_REAL
Parameter: Frame
GV_TIME_OPERATOR_OUTPUT_FRAME
Parameter: Frames per second
GV_TIME_OPERATOR_OUTPUT_FPS
Parameter: Start
GV_TIME_OPERATOR_OUTPUT_START
Parameter: End
GV_TIME_OPERATOR_OUTPUT_END
Parameter: Loop start
GV_TIME_OPERATOR_OUTPUT_LOOP_START
Parameter: Loop end
GV_TIME_OPERATOR_OUTPUT_LOOP_END
Parameter: Delta
GV_TIME_OPERATOR_OUTPUT_DELTA
Parameter: Previous
GV_TIME_OPERATOR_OUTPUT_PREVIOUS