Constructor ScheduleAttribute
ScheduleAttribute(SCHEDULE, string, CATCHUP)
Defines a scheduled method with a given id and a cron expression If you want something to run every day at 16:00 you can use something like "0 16 * * *"
IMPORTANT: The seconds are OMITTED
public ScheduleAttribute(SCHEDULE id, string cronExp, CATCHUP historyCatchup = CATCHUP.NEVER)