---
category: [Administration & Integrations, Platform and Product Extensions, Platform and Product Extensions/Integration, Administration & Integrations/Custom Integrations & Apps, Platform and Product Extensions/Workday Extend]
keyword: Integrate
nav: wcp_docs
parent_url: /wcp_docs/
title: >- 
  Concept: App Hub
layout: subsection
---

## <a id="section_c2k_24q_3pb"></a>Overview

App Hub is a core service that powers the app lifecycle by enabling:

-   Developer collaboration.
-   Version and build management.
-   App deployment, promotion, and installation.


App Hub enables developers to work with App Builder, the <b>App Manager</b> report, and the Workday Developer Site to build, test, deploy, and maintain Workday Extend and integration apps.

To deploy Workday Extend apps using App Hub, you must belong to a security group on the <i>Manage: App Manager</i> domain security policy. Make sure you've enabled all Workday Extend security domains and have a defined security policy on each domain.

Here’s a quick overview of the various clients and how they interact with App Hub:

<table><thead><tr><th>Client</th><th>Description</th></tr></thead><tbody><tr><td>App Builder</td><td>App Builder, Extend's web-based IDE, enables developers to author apps, upload them to App Hub, trigger builds, and deploy to Development tenants.</td></tr><tr><td><b>App Manager</b> report</td><td>The <b>App Manager</b> report is available on all customer tenants through the search function. You can use the <b>App Manager</b> report to install and configure apps. When you install an app on an Implementation, Sandbox or Production tenant, the <b>App Manager</b> report generates the App URL for users of that tenant.</td></tr><tr><td>Workday Developer Site</td><td>Use the Developer Site to promote your Workday Extend apps in order to install the apps to your non-Development tenants.</td></tr></tbody></table><br/>

## <a id="section_ehh_nbb_3kb"></a>App Hub Service

The overall App Hub service consists of 3 primary layers:

-   The source code layer.

    This layer provides read and update operations pertaining to app source code.

-   The build pipeline layer.

    This layer translates app source code to app artifacts. Workday environments can then consume these artifacts when you deploy or install your app.

-   The artifact storage layer.

    This layer holds the artifacts generated as the result of a successful build.



## <a id="section_ipx_cwp_mwb"></a>Delete Apps from App Hub

You can use the Console on the Workday Developer Site to delete apps from App Hub. When you delete an app from App Hub, you can no longer access the app on any Development tenant to which you deployed the app.

<b>Note:</b> Once you promote an app to an Implementation, Sandbox, or Production tenant, you can only remove an app by retiring it.

### Related Information

[Steps: Build and Deploy Apps Using the Workday Extend Plugin for IntelliJ](/wcp_docs/pby1579562884270.html)

[Deploy Apps to Production](/wcp_docs/yel1612996150414.html)