OEModule\OphCiExamination\models\Element_OphCiExamination_DRGrading::flagRequired PHP Method

    public function flagRequired($attribute, $params)
    {
        $flag = $params['flag'];
        if ($this->{$flag} && $this->{$attribute} == null) {
            $this->addError($attribute, $this->getAttributeLabel($attribute) . ' is required');
        }
    }