public function beforeSave($insert)
    {
       

        if (parent::beforeSave($insert)):
            
          
    		if ($this->cnpj):    			
    			$this->cnpj = MyHelper::retirarMascaraCnpj($this->cnpj);
                          
            endif;            
                
    	 return true;
        else:
    		return false;
        endif;
        
   }