public function withIntervalInMinutes($intervalInMinutes)
    {
        $this->validateInterval($intervalInMinutes);
        $this->interval = $intervalInMinutes;
        $this->intervalUnit = IntervalUnit::MINUTE;

        return $this;
    }
public function withIntervalInMinutes($intervalInMinutes)
    {
        $this->validateInterval($intervalInMinutes);
        $this->interval = $intervalInMinutes;
        $this->intervalUnit = IntervalUnit::MINUTE;

        return $this;
    }
public function withIntervalInMinutes ( $ intervalInMinutes ) { $ this -> validateInterval ( $ intervalInMinutes ) ; $ this -> interval = $ intervalInMinutes ; $ this -> intervalUnit = IntervalUnit :: MINUTE ; return $ this ; }
Specify an interval in the IntervalUnit.MINUTE that the produced
Trigger will repeat at.

@param int $intervalInMinutes the number of minutes at which the trigger should repeat.

@return CalendarIntervalScheduleBuilder
Specify an interval in the IntervalUnit . MINUTE that the produced Trigger will repeat at .