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There are multiple ways to create a trigger:
- On the All Triggers or Active Triggers list, click the New drop-down list and select a trigger type. A Trigger Details pop-up displays that lets you enter / select information for a new trigger.
- On the Triggers list for a specific trigger type, click the New icon. A Trigger Details pop-up displays that lets you enter / select information for a new trigger.
- In the empty (except for default values) 206413382 Trigger Details that displays below the trigger list for a specific trigger type, enter / select information for a new trigger. If the Trigger Details displays information for an existing trigger, click the New button to clear the Trigger Details and enter / select information for a new trigger.
- Create a copy of a trigger by clicking the Copy button in the Trigger Details and renaming the trigger.
For detailed information on creating a trigger for a specific trigger type, click that trigger type in the 206413382 Trigger Types table, above.
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How the time change is handled differs between interval-based times (such as "every 15 minutes") and absolute times (such as "2:30 a.m.").
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The behavior of the Cron trigger follows the standard Cron behavior as described in the man main page for Cron.
Each line has five time and date fields, followed by a user name if this is the system crontab file, followed by a command. Commands are executed by cron(8) when the minute, hour, and month of year fields match the current time, and at least one of the two day fields (day of month, or day of week) match the current time. This means that non-existent times, such as "missing hours" during daylight saving conversion, will never match, causing jobs scheduled during the "missing times" not to be run. Similarly, times that occur more than once (again, during daylight savings conversion) will cause matching jobs to be run twice.
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