diff --git a/app/code/core/Mage/GoogleAnalytics/Block/Ga.php b/app/code/core/Mage/GoogleAnalytics/Block/Ga.php
index 477c684f47d..751c65770d6 100644
--- a/app/code/core/Mage/GoogleAnalytics/Block/Ga.php
+++ b/app/code/core/Mage/GoogleAnalytics/Block/Ga.php
@@ -154,7 +154,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                     'item_category' => $removedProduct['category'],
                 ];
                 $eventData['items'][] = $_item;
-                $result[] = "gtag('event', 'remove_from_cart', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+                $result[] = ['remove_from_cart', $eventData];
             }
             Mage::getSingleton('core/session')->unsRemovedProductsForAnalytics();
         }
@@ -180,7 +180,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                     'item_category' => $_addedProduct['category'],
                 ];
                 $eventData['items'][] = $_item;
-                $result[] = "gtag('event', 'add_to_cart', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+                $result[] = ['add_to_cart', $eventData];
                 Mage::getSingleton('core/session')->unsAddedProductsForAnalytics();
             }
         }
@@ -205,7 +205,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                 $_item['item_brand'] = $productViewed->getAttributeText('manufacturer');
             }
             array_push($eventData['items'], $_item);
-            $result[] = "gtag('event', 'view_item', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+            $result[] = ['view_item', $eventData];
         } elseif ($moduleName == 'catalog' && $controllerName == 'category') {
             // Log this event when the user has been presented with a list of items of a certain category.
             // @see https://developers.google.com/tag-platform/gtagjs/reference/events#view_item_list
@@ -246,7 +246,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                 $eventData['value'] += $productViewed->getFinalPrice();
             }
             $eventData['value'] = $helper->formatPrice($eventData['value']);
-            $result[] = "gtag('event', 'view_item_list', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+            $result[] = ['view_item_list', $eventData];
         } elseif ($moduleName == 'checkout' && $controllerName == 'cart') {
             // This event signifies that a user viewed his cart.
             // @see https://developers.google.com/tag-platform/gtagjs/reference/events#view_cart
@@ -278,7 +278,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                 $eventData['value'] += $_product->getFinalPrice() * $productInCart->getQty();
             }
             $eventData['value'] = $helper->formatPrice($eventData['value']);
-            $result[] = "gtag('event', 'view_cart', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+            $result[] = ['view_cart', $eventData];
         } elseif ($moduleName == static::CHECKOUT_MODULE_NAME && $controllerName == static::CHECKOUT_CONTROLLER_NAME) {
             // This event signifies that a user has begun a checkout.
             // @see https://developers.google.com/tag-platform/gtagjs/reference/events#begin_checkout
@@ -310,7 +310,7 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                     $eventData['value'] += $_product->getFinalPrice();
                 }
                 $eventData['value'] = $helper->formatPrice($eventData['value']);
-                $result[] = "gtag('event', 'begin_checkout', " . json_encode($eventData, JSON_THROW_ON_ERROR) . ");";
+                $result[] = ['begin_checkout', $eventData];
             }
         }
 
@@ -354,13 +354,22 @@ protected function _getEnhancedEcommerceDataForAnalytics4()
                     }
                     array_push($orderData['items'], $_item);
                 }
-                $result[] = "gtag('event', 'purchase', " . json_encode($orderData, JSON_THROW_ON_ERROR) . ");";
+                $result[] = ['purchase', $orderData];
             }
         }
 
+        $ga4DataTransport = new Varien_Object();
+        $ga4DataTransport->setData($result);
+        Mage::dispatchEvent('googleanalytics_ga4_send_data_before', ['ga4_data_transport' => $ga4DataTransport]);
+        $result = $ga4DataTransport->getData();
+
         if ($this->helper('googleanalytics')->isDebugModeEnabled() && count($result) > 0) {
             $this->helper('googleanalytics')->log($result);
         }
+
+        foreach ($result as $k => $ga4Event) {
+            $result[$k] = "gtag('event', '{$ga4Event[0]}', " . json_encode($ga4Event[1], JSON_THROW_ON_ERROR) . ");";
+        }
         return implode("\n", $result);
     }
 
diff --git a/docs/EVENTS.md b/docs/EVENTS.md
index 88f8b20fd27..8557533c0d8 100644
--- a/docs/EVENTS.md
+++ b/docs/EVENTS.md
@@ -226,6 +226,7 @@
 | end_index_events_[getEventTypeName] | 1.9.4.5 |
 | end_process_event_[getEventTypeName] | 1.9.4.5 |
 | gift_options_prepare_items | 1.9.4.5 |
+| googleanalytics_ga4_send_data_before | 20.1.1 |
 | http_response_send_before | 1.9.4.5 |
 | index_process_change_status | 1.9.4.5 |
 | init_from_order_session_quote_initialized | 1.9.4.5 |