diff --git a/embedx/identity_extension.schema.json b/embedx/identity_extension.schema.json
index 7205039be9a..ef402cdadcf 100644
--- a/embedx/identity_extension.schema.json
+++ b/embedx/identity_extension.schema.json
@@ -21,6 +21,15 @@
                     }
                   }
                 },
+                "webauthn": {
+                  "type": "object",
+                  "additionalProperties": false,
+                  "properties": {
+                    "identifier": {
+                      "type": "boolean"
+                    }
+                  }
+                },
                 "totp": {
                   "type": "object",
                   "additionalProperties": false,