Groovy pipeline for automatic build trigger

prpeline{
.......

triggers{
cron('H 1,5 * * *')
}


.........
}

CRON expression

A CRON expression is a string comprising five or six fields separated by white space^[11] that represents a set of times, normally as a schedule to execute some routine.

Comments begin with a comment mark #, and must be on a line by themselves.

Field	Required	Allowed values	Allowed special characters	Remarks
Minutes	Yes	0-59	* , -
Hours	Yes	0-23	* , -
Day of month	Yes	1-31	* , - ? L W	? L W only in some implementations
Month	Yes	1-12 or JAN-DEC	* , -
Day of week	Yes	0-6 or SUN-SAT	* , - ? L #	? L # only in some implementations
Year	No	1970-2099	* , -	This field is not supported in standard/default implementations.