title: Magento control panel "Product Information" menu modify
body: <p>I'm developing a custom store pickup module for a customer Magento store and I need to add the Menu child "Pickup availability" on the product information menu on product management.</p>
  
  <p>How can I do this? I've looking on <code>Mage_Catalog adminhtml.xml</code><a href="https://i.stack.imgur.com/n0GbB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/n0GbB.png" alt="enter image description here"></a> </p>
  
  <p>file but I didn't find anything helpful</p>