simple example

src/Umbraco.Web.UI.Client/examples/workspace-context-counter/manifests.ts

@@ -0,0 +1,10 @@
+import type { ManifestTypes } from '@umbraco-cms/backoffice/extension-registry';
+
+export const manifests: ManifestTypes = [
+	{
+		type: 'workspaceContext',
+		name: 'workspaceContextCounter',
+		alias: 'example.workspaceCounter.counter',
+		js: 'workspace-context-counter.js',
+	}
+]

src/Umbraco.Web.UI.Client/examples/workspace-context-counter/workspace-context-counter.ts

@@ -0,0 +1,12 @@
+import { UmbBaseController, type UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
+
+export class WorkspaceContextCounter extends UmbBaseController {
+
+	constructor(host: UmbControllerHost) {
+		super();
+
+		console.log("HELLOOOOO WORLLLDDD")
+	}
+}
+
+export const api = WorkspaceContextCounter;