- min: Minute or * for every minute to execute the cron job. (0-59)
- hour: Hour or * for every hour to execute the cron job. (0-23)
- user: The user the cron job should be run under.
- cmd: The command to exectute.
- identifier: A string to identify the cron entry (for deletion)
- runInScreen: Set to true if the command should be run in a screen.