{"id":555,"date":"2019-08-16T09:53:03","date_gmt":"2019-08-16T09:53:03","guid":{"rendered":"https:\/\/meetanshi.com\/blog\/2019\/08\/16\/create-new-observer-on-trigger-of-magento-2-event-catalog_product_save_before\/"},"modified":"2025-05-22T16:09:26","modified_gmt":"2025-05-22T10:39:26","slug":"create-new-observer-on-trigger-of-magento-2-event-catalog_product_save_before","status":"publish","type":"post","link":"https:\/\/meetanshi.com\/blog\/create-new-observer-on-trigger-of-magento-2-event-catalog_product_save_before\/","title":{"rendered":"How to Create New Observer On Trigger of Magento 2 Event &#8220;catalog_product_save_before&#8221;"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Magento 2 events and observers enable to extend the default functionality. The developers can use them to run custom code in response to a particular Magento 2 event.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I have used one of the Magento 2 events, \u201ccatalog_product_save_before\u201d and shown the method below for the same.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some of the examples where you can follow this solution are when you want to get notified as an admin on product quantity update, custom attribute update, etc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Earlier, I had used this event in the method to <a href=\"https:\/\/meetanshi.com\/blog\/auto-change-stock-availability-on-quantity-update-in-magento-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">auto change \u201cStock Availability\u201d on quantity update in Magento 2<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Steps to Create New Observer On Trigger of Magento 2 Event \u201ccatalog_product_save_before\u201d:<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1. Create <strong>app\\code\\[Vendor]\\[Module]\\etc\\adminhtml\\events.xml<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?xml version=\"1.0\"?>\n&lt;config xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\" xsi:noNamespaceSchemaLocation=\"urn:magento:framework:Event\/etc\/events.xsd\">\n    &lt;event name=\"catalog_product_save_before\">\n        &lt;observer name=\"observer_name\" instance=\"Meetanshi\\CustomModule\\Observer\\ProductSaveBefore\" \/>\n    &lt;\/event>\n&lt;\/config><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">2. Create <em><strong>ProductSaveBefore.php<\/strong><\/em>&nbsp;at&nbsp;<strong>app\\code\\[Vendor]\\[Module]\\Observer\\ProductSaveBefore.php<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">&lt;?php\nnamespace [Vendor]\\[Module]\\Observer;\n\nuse Magento\\Framework\\Event\\ObserverInterface;\n\nclass ProductSaveBefore implements ObserverInterface\n{\n    public function execute(\\Magento\\Framework\\Event\\Observer $observer)\n    {\n        $product = $observer->getProduct();\n        $sku = $product->getSku();\n    $id = $product->getId();\n        $name = $product->getName();\n    }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">That\u2019s it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do share the solution on social media to help out fellow developers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Magento 2 events and observers enable to extend the default functionality. The developers can use them to run custom code in response to a particular&#8230;<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-555","post","type-post","status-publish","format-standard","hentry","category-magento"],"acf":[],"_links":{"self":[{"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/posts\/555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/comments?post=555"}],"version-history":[{"count":3,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/posts\/555\/revisions"}],"predecessor-version":[{"id":15307,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/posts\/555\/revisions\/15307"}],"wp:attachment":[{"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/media?parent=555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/categories?post=555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meetanshi.com\/blog\/wp-json\/wp\/v2\/tags?post=555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}