diff --git a/src/login/kcContext/KcContext.ts b/src/login/kcContext/KcContext.ts
index 67b95ffe..6ee41543 100644
--- a/src/login/kcContext/KcContext.ts
+++ b/src/login/kcContext/KcContext.ts
@@ -82,6 +82,7 @@ export declare namespace KcContext {
             clientId: string;
             name?: string;
             description?: string;
+            attributes: Record<string, string>;
         };
         isAppInitiatedAction: boolean;
         messagesPerField: {
diff --git a/src/login/kcContext/kcContextMocks.ts b/src/login/kcContext/kcContextMocks.ts
index 0ce9dda6..fb54dc96 100644
--- a/src/login/kcContext/kcContextMocks.ts
+++ b/src/login/kcContext/kcContextMocks.ts
@@ -234,7 +234,8 @@ export const kcContextCommonMock: KcContext.Common = {
         "showTryAnotherWayLink": false
     },
     "client": {
-        "clientId": "myApp"
+        "clientId": "myApp",
+        "attributes": {}
     },
     "scripts": [],
     "isAppInitiatedAction": false
@@ -314,7 +315,8 @@ export const kcContextMocks = [
         "actionUri": "#",
         "client": {
             "clientId": "myApp",
-            "baseUrl": "#"
+            "baseUrl": "#",
+            "attributes": {}
         }
     }),
     id<KcContext.Error>({
@@ -322,7 +324,8 @@ export const kcContextMocks = [
         "pageId": "error.ftl",
         "client": {
             "clientId": "myApp",
-            "baseUrl": "#"
+            "baseUrl": "#",
+            "attributes": {}
         },
         "message": {
             "type": "error",
@@ -496,7 +499,8 @@ export const kcContextMocks = [
         },
         "client": {
             "clientId": "myApp",
-            "baseUrl": "#"
+            "baseUrl": "#",
+            "attributes": {}
         },
         "logoutConfirm": { "code": "123", skipLink: false }
     }),