Cron expressions in Serverless Integrations

You can set schedules in Serverless Integrations using cron expressions. By default, cron expression uses UTC+0.

Cron expression formatCron expression format

The fields in a cron expression are ordered as follows: Minutes Hours Day-of-month Month Day-of-week Year.

Possible field valuesPossible field values

Special charactersSpecial characters

You can use the following special characters in cron expressions:

• *: Selects all values in the field.

  * in the Minutes field: Trigger fires every minute.

• ?: Selects any field value. You cannot specify Day of month and Day of week at the same time. If you have entered a value in one of these fields, put ? in the other one.

  10 in Day of month and ? in Day of week: Trigger fires on the 10th day of each month.

• -: Selects a range of values.

  10-12 in Hours: Trigger fires at 10 a.m., 11 a.m., and 12 p.m.

• ,: Selects multiple values.

  MON,WED,FRI in Day of week: Trigger fires on Monday, Wednesday, and Friday.

• /: Increments the value.

  0/15 in Minutes: Trigger fires at 0, 15, 30, and 45 minutes past each hour.

• L: This character has different meanings in the two fields it is valid for:

  • In the Day of month field, it means the last day of the month.
  • In the Day of week field, it means the last day of the week, 7 (Saturday, SAT).

  L in Day of month: Trigger fires on January 31, February 28, and so on.

• W: Selects the weekday nearest to the specified date.

  15W in Day of month: Trigger fires on the weekday nearest to the 15th day of the month. If the 15th day falls on Saturday, the trigger fires on Friday the 14th.

  Note

  L and W in the Day of month field can also merge into the LW combination, firing the trigger on the last weekday of the month.

• #: Selects the Nth day of the month.

  6#3 in Day of week: Trigger will fire on the third Friday of the month (6 for Friday; 3 for third Friday of the month).

Examples of cron expressionsExamples of cron expressions