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Connect a Feishu App Bot

This guide shows how to create a Feishu custom app, enable its bot capability, grant message permissions, and connect it to OOMOL. If you only need OOMOL to call Feishu APIs, you can stop after the basic connection. If you also want to receive bot messages or other Feishu events, finish the event callback setup.

Prerequisites​

Create a Feishu custom app​

Open Feishu Open Platform, then click Create enterprise custom app. Enter an app name and description, choose or upload an icon, and create the app.

Create a Feishu enterprise custom app

After the app is created, open the app detail page. In Credentials & Basic Info, copy the App ID and App Secret. You will use both values when connecting the app in OOMOL Console.

Enable the bot capability​

In the Feishu app detail page, go to Add app capabilities. Choose Add by capability, select Bot, then click Add.

Grant message permissions​

Open Permission Management, then choose Enable Permissions. In Application identity permissions, open Messages and Groups.

Switch the permission filter in the upper-right corner to No review required, select all permissions in the current list, then click Confirm permission activation.

Connect in OOMOL Console​

Open OOMOL Console, enter the Feishu App ID and App Secret, then connect the app.

If you do not need to receive Feishu events such as incoming bot messages, the connection is complete. If you need event callbacks, do not finish the connection yet. Continue with the following steps.

Enable event callbacks​

In the Feishu app detail page, open Events & Callbacks, then choose Encryption Strategy. Copy the Verification Token into OOMOL Console, then connect the app.

After the connection succeeds, OOMOL Console shows a callback URL. Copy this URL.

Copy the OOMOL callback URL

Return to the Feishu app detail page. Open Events & Callbacks and choose Event Configuration. Under Send events to developer server, paste the OOMOL callback URL into Request URL, then click Save.

Paste the callback URL into Feishu event configuration

Subscribe to message events​

In Events & Callbacks > Event Configuration, click Add event. Select Messages and Groups from the left category list, select all events in that category, then click Add.

Your Feishu App Bot is now connected to OOMOL and can receive the subscribed Feishu events.