in src/main/groovy/grails/plugins/quartz/TriggerUtils.groovy [37:44]
static Trigger buildDateTrigger(String jobName, String jobGroup, Date scheduleDate) {
return TriggerBuilder.newTrigger()
.withIdentity(generateTriggerName(), GrailsJobClassConstants.DEFAULT_TRIGGERS_GROUP)
.withPriority(6)
.forJob(jobName, jobGroup)
.startAt(scheduleDate)
.build()
}