create a new weekly reminder on saturdays for bingo night at 6pm. set a warning reminder 15 minutes before.
[IN:CREATE_REMINDER create a new [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:FREQUENCY weekly ] ] ] reminder [SL:DATE_TIME on saturdays ] for [SL:TODO [IN:GET_TODO [SL:TODO bingo night ] [SL:DATE_TIME at 6 pm ] ] ] . set a warning reminder [SL:DATE_TIME 15 minutes before ] . ]