Modify today's alarm from 6pm to 6:30pm
[IN:UPDATE_ALARM Modify [SL:ALARM_NAME [IN:GET_TIME [SL:DATE_TIME today ] ] ] 's alarm [SL:ALARM_NAME [IN:GET_TIME [SL:DATE_TIME from 6 pm ] ] ] [SL:DATE_TIME to 6 : 30 pm ] ]