Time-based Trigger
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You can schedule your function's execution using the Time-based Trigger available in the settings panel. It allows you to trigger the function Every x minutes or using a Crontab expression:
You may trigger a function at periodic time intervals, expresses in minutes. This trigger method will run the UbiFunction's main function. The minimum and maximum values admisible by this field are 1 and 60 minutes, respectively.
A cron expression is a string consisting of five subexpressions (fields) that describe individual details of the schedule. These fields, separated by white space, can contain any of the allowed values with various combinations of the allowed characters for that field.
Minutes
0-59
, - * /
Hours
0-23
, - * /
Day-of-month
1-31
, - * /
Month
1-12 or JAN-DEC
, - * /
Day-of-week
1-7 or SUN-SAT
, - * /
Wildcards
comma ","
List of allowed values
In the Month field, JAN,FEB,MAR includes January, February, and March.
dash "-"
Range of allowed values
In the Day field, 1-15 includes days 1 through 15 of the specified month.
asterisk "*"
Includes all values in the field
In the Hours field, * includes every hour
slash "/"
Specifies increments
In the Minutes field, you could enter 1/10 to specify every tenth minute, starting from the first minute of the hour.
Limitations
Cron expressions that lead to rates faster than 1 minute are not supported.
Examples
You can use the following sample cron strings when creating a rule with schedule:
0
10
*
*
*
Run at 10:00 am (UTC+0) every day
15
12
*
*
*
Run at 12:15 pm (UTC+0) every day
0
18
*
*
MON-FRI
Run at 6:00 pm (UTC+0) every Monday through Friday
0
8
1
*
*
Run at 8:00 am (UTC+0) every 1st day of the month
0/15
*
*
*
*
Run every 15 minutes
0/10
*
*
*
MON-FRI
Run every 10 minutes Monday through Friday
0/5
8-17
*
*
MON-FRI
Run every 5 minutes Monday through Friday between 8:00 am and 5:55 pm (UTC+0)
0/30
20-2
*
*
MON-FRI
Run every 30 minutes Monday through Friday between 10:00 pm on the starting day to 2:00 am on the following day (UTC)
Run from 12:00 am to 2:00 am on Monday morning (UTC).
You can to test your crontab expressions.
