AnaestheticAgent::rules PHP Method

    public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(array('name', 'required'), array('name', 'ext.validators.NotContainedInValidator', 'model' => 'OphTrOperationnote_OperationAnaestheticAgent', 'message' => $this->getCleanAttribute('name') . ' has been used in existing operation notes and cannot be edited'));
    }