> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# (Optional) Add Developers

> To develop an app collaboratively with users in your organization, follow the steps in this document to add users.

**Important**

If you do not add collaborative development users, those users cannot see the app.

## **Prerequisites**

Complete the [Create an App](/open/dingstart/create-application) process.

## **Procedure**

1. Sign in to the [Developer Console](https://open-dev.dingtalk.com/#/), and then click the target app to open its details page.
2. Click **Basic Information** > **User Management** > **Add User** to add collaborative development users.
