diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/collection/types.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/collection/types.ts
index c3e55c314e..6090c089e0 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/collection/types.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/collection/types.ts
@@ -1,5 +1,12 @@
+import type { UmbExtensionEntityType } from '../entity.js';
 import type { UmbCollectionFilterModel } from '@umbraco-cms/backoffice/collection';
+import type { ManifestBase } from '@umbraco-cms/backoffice/extension-api';
 
 export interface UmbExtensionCollectionFilterModel extends UmbCollectionFilterModel {
 	type?: string;
 }
+
+export interface UmbExtensionDetailModel extends ManifestBase {
+	unique: string;
+	entityType: UmbExtensionEntityType;
+}