diff --git a/api/GlobalEventHandlers.json b/api/GlobalEventHandlers.json
index 768259f34272e1..c6c5e21fb6fada 100644
--- a/api/GlobalEventHandlers.json
+++ b/api/GlobalEventHandlers.json
@@ -48,6 +48,56 @@
           "deprecated": false
         }
       },
+      "beforexrselect_event": {
+        "__compat": {
+          "description": "<code>beforexrselect</code> event",
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/GlobalEventHandlers/beforexrselect_event",
+          "spec_url": "https://immersive-web.github.io/dom-overlays/#onbeforexrselect",
+          "support": {
+            "chrome": {
+              "version_added": "83"
+            },
+            "chrome_android": {
+              "version_added": "83"
+            },
+            "edge": {
+              "version_added": "83"
+            },
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": {
+              "version_added": false
+            },
+            "ie": {
+              "version_added": false
+            },
+            "opera": {
+              "version_added": false
+            },
+            "opera_android": {
+              "version_added": false
+            },
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": {
+              "version_added": false
+            },
+            "samsunginternet_android": {
+              "version_added": false
+            },
+            "webview_android": {
+              "version_added": false
+            }
+          },
+          "status": {
+            "experimental": false,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "onabort": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/GlobalEventHandlers/onabort",