> ## 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.

# Official Connectors

> Learn how to use DingTalk official connectors to link business modules, including the setup steps and the 24 supported apps with their features.

## Steps

Follow the steps below to use an official connector in Integration & Automation or a workflow form.

1. Sign in to the YiDA workbench.
2. Select the target app and go to the **Integration & Automation** page.
3. Select an existing integration & automation flow and click **Edit**.

<Steps>
  <Step title="Hover over the connecting line of a Step. When the + button appears, click it and select Connector." />

  <Step title="In the connector configuration panel on the right, select DingTalk Official, and then choose the connector you want to use." />
</Steps>

For example, use the **Start instance** connector under OA Approval.

6. Configure the execution action for the connector.

For example, configure the execution action for the Start instance connector.

7. When finished, click **Save**.

## Supported Official Connectors

DingTalk currently provides 24 official apps. Each app offers different execution actions to achieve different results.

| **App name**                                                                                                                            | **Function**                                                                                                                    |
| --------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------- |
| [**To-Do tasks**](/yida/integration/vs2cqwywsanvmg3o)                                                                                   | Automatically create DingTalk To-Do tasks.                                                                                      |
| **Event**                                                                                                                               | Create an event.                                                                                                                |
| **Chats**                                                                                                                               | Send messages to an organization group. This node must be used together with the Scenario Group node.                           |
| [**Scenario Group**](/yida/integration/wh85s70zssv2gnck)                                                                                | Create a new scenario group.                                                                                                    |
| [**Video Meeting (schedule)**](/yida/integration/qwlh57zqlr4e7047)<br />[**Video Meeting (start)**](/yida/integration/zx7hyx0awsq2zfb9) | Start or schedule a Video Meeting.                                                                                              |
| [**Attendance**](/yida/integration/te5kym9fz7u9x8dq)                                                                                    | Create a new scenario group.                                                                                                    |
| [**Contacts**](/yida/integration/ncdt7p3g2db6d11n)                                                                                      | Update, create, or delete user information in DingTalk Contacts.                                                                |
| [**Smart HR**](/yida/integration/imnxrgek49qmqfux)                                                                                      | Add pre-onboarding employee information after an event is triggered.                                                            |
| [**Chat Group**](/yida/integration/iqqlaphgykttuihb)                                                                                    | Add or remove group members and create group chats. Only organization groups can be created; standard groups are not supported. |
| **Check-in**                                                                                                                            | Retrieve employee check-in records.                                                                                             |
| [**Smart Form Filling**](/yida/integration/og32nngcyadrao3k)                                                                            | Retrieve user form-filling templates.                                                                                           |
| **App Management**                                                                                                                      | Set the visibility of an app.                                                                                                   |
| **Log**                                                                                                                                 | Retrieve the unread log count.                                                                                                  |
| **Associated organization**                                                                                                             | Retrieve the branch or parent organization.                                                                                     |
| **Data Table of contents**                                                                                                              | Retrieve organization group chat statistics.                                                                                    |
| **Drive**                                                                                                                               | Create a Space.                                                                                                                 |
| **To-Do 2.0**                                                                                                                           | Create To-Do tasks.                                                                                                             |
| **Employee Service Desk**                                                                                                               | Send personal messages through the service assistant.                                                                           |
| **AI**                                                                                                                                  | Translate content between languages, such as Chinese to English.                                                                |
| [**Announcement**](/yida/portal/ik3610wn0kc5twhv)                                                                                       | Publish announcements.                                                                                                          |
| **Bots**                                                                                                                                | Send messages using a specified bot.                                                                                            |