update reminder for weekly group meetings with PTC to bi-monthly
[IN:UPDATE_REMINDER update reminder [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME for [SL:FREQUENCY weekly ] ] ] [SL:TODO group meetings ] with [SL:ATTENDEE PTC ] [SL:RECURRING_DATE_TIME_NEW [IN:GET_RECURRING_DATE_TIME to [SL:FREQUENCY bi - monthly ] ] ] ]