---
schema_version: "1"
id: 5bb503e45c843b30b616d23072fa97dc072ac0e973b080865822215ae6ff8bd9
title: Create a UI Extension
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/mktg/264-0-0/mc_es_create_ui_extension.md
canonical_url: https://help.salesforce.com/s/articleView?id=mktg.mc_es_create_ui_extension.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 338a99d407f5cd87760d27f79b93c7899da11b18b569ceb93c0931245c04f497
description: Follow these steps to create a UI extension in Email Studio. The UI extension lets you create a custom tab within the user interface that displays the content of a different page. Users can click that tab to view the page within the context of the Marketing Cloud Engagement user interface.
products:
  - Marketing
  - Marketing Cloud Engagement
release: "264"
---
# Create a UI Extension

Follow these steps to create a UI extension in Email Studio. The UI extension lets you create a custom tab within the user interface that displays the content of a different page. Users can click that tab to view the page within the context of the Marketing Cloud Engagement user interface.

![Note](https://sf-zdocs-cdn-prod.zoominsoftware.com/tdta-mktg-mc_email-264-0-0-production-enus/a0b807ef-dfbb-412c-b26e-310d91f2d6df/images/icon_note.png)

Note For information about enabling this feature for your account, contact your Engagement account executive.

1. Click **Admin** | **UI Extension** | **Custom Tab** | **Create**.
2. Fill out the name, external key, description, and URL fields.
    - Name: The name of the tab. This name appears on the tab in the user interface.
    - External Key: An identifier for the tab you're creating. For example, if the tab's name is Policy, an appropriate external key would be policy.
    - Description: A short description of the information that the tab displays.
    - URL: The URL of the landing page or website to view tracking for.
3. Click **Save**.

A new tab displays when you access the user interface.