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  • How to change any attribute value of product in magento

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    In magento sometimes we are required to change the attribute values of the products. 
    To do so we can work upon the event catalog_product_load_after.

    Lets see how we can do it:

    1. Create a module with namespace as Custom and module as ProductInfo.

    2. Then Create a file config.xml in etc folder in our module.

    3. Afterwards create a file Observer.php in Model folder.

     

    Now, in our config.xml file at the path Custom/ProductInfo/etc/config.xml lest change the product name for the same write the below code in it :

     

    <?xml version="1.0"?>
    <config>
    
     <modules>
      <Custom_ProductInfo>
       <version>0.1.0</version>
      </Custom_ProductInfo>
     </modules>
    
     <global>
    
     <events>
      <catalog_product_load_after>
       <observers>
        <Custom_ProductInfo_Model_Observer>
         <class>custom_productInfo/observer</class>
         <method>ProductInfo</method>
        </Custom_ProductInfo_Model_Observer>
       </observers>
      </Custom_ProductInfo_load_after>
     </events>
    </global>
    
    </config>

     

    In the above code we have defined our module with the version 0.1.0 and 
    then in global we have called our Observer at the event catalog_product_load_after 


    Now in our Observer at the path Custom/ProductInfo/Model/Observer.php write the below code:

     

    <?php
    
    class Custom_ProductInfo_Model_Observer {
    
    public function ProductInfo($observer) {
    
        $product = $observer->getProduct();
        $product = $observer->getData('product');
    
        $product->setName($product->getName().' New Name !');
      }
    
    }

     

    In the above code we are loading the product first and then with the setName() magento method we have set up the new name as " New Name ! ". That's it we are done.
    In the same way we can change any attribute value of products.  

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