Document custom Ask AI channel configuration

ai/slack-bot.mdx

@@ -8,18 +8,18 @@
   The Slack app is available for [Pro and Custom plans](https://mintlify.com/pricing?ref=slack-app) with access to the assistant.
 </Info>
 
 The Slack app adds a bot to your workspace that supports your community with real-time answers. The bot uses the Mintlify assistant to search your docs and provide accurate, cited responses, so it is always up-to-date.
 
 The bot can only see messages in channels you specifically add it to. It does not have global read access to your workspace.
 
-The bot responds to `@` mentions and to every message in channels named `#ask-ai`.
+The bot responds to `@` mentions and to every message in channels named `#ask-ai`. You can also configure a custom channel where the bot responds to all messages.
 
 Each message sent by the bot counts toward your assistant message usage.
 
 ## Set up the Slack app
 
 <Note>
   If your Slack Workspace Owner requires admin approval to install apps, ask them to approve the Mintlify Slack app before you add it.
 </Note>
 
 1. Navigate to the [Integrations](https://dashboard.mintlify.com/products/assistant/settings/integrations) tab of the **Assistant Configurations** page in your dashboard.
@@ -29,29 +29,42 @@
     <img src="/images/assistant/slack-connect-dark.png" alt="The Connect button in the Slack card in dark mode." className="hidden dark:block" />
   </Frame>
 1. Follow the Slack prompts to add the app to your workspace.
 1. Mention the bot to add it to a channel. The bot's default name is `@mintlify-assistant`.
 
 ### Customize the bot's name
 
 1. In Slack, select the Mintlify app in the **Apps** menu.
 1. Click **About**.
 1. Click **Configuration**. This opens the app configuration page in a web browser.
 1. In the **Bot User** section, edit the bot name.
 
-## Create an `#ask-ai` channel
+## Configure the Ask AI channel
 
-To help your users quickly get answers to their questions, create a channel named `#ask-ai`. The bot will respond to every message in that channel. See [Create a channel](https://slack.com/help/articles/201402297-Create-a-channel) in the Slack Help Center for more information.
+By default, the bot responds to every message in any channel named `#ask-ai`. You can customize this behavior to use a specific channel instead.
+
+### Use the default behavior
+
+Create a channel named `#ask-ai` in your workspace. The bot will respond to every message in that channel. See [Create a channel](https://slack.com/help/articles/201402297-Create-a-channel) in the Slack Help Center for more information.
+
+### Set a custom Ask AI channel
+
+1. Navigate to the [Integrations](https://dashboard.mintlify.com/products/assistant/settings/integrations) tab of the **Assistant Configurations** page in your dashboard.
+1. In the Slack card, click **Configure**.
+1. In the **Ask AI Channel** dropdown, select the channel where you want the bot to respond to all messages.
+1. Click **Save**.
+
+The bot will now respond to every message in your selected channel, instead of channels named `#ask-ai`.
 
 ## Manage the Slack app
 
 After you add the app to your workspace, you can manage or remove the app from the [Integrations](https://dashboard.mintlify.com/products/assistant/settings/integrations) tab.
 
 Customize the bot's profile picture to match your brand.
 
 Image requirements:
 - **Format**: PNG or JPEG
 - **Dimensions**: Minimum 256x256 pixels, maximum 2048x2048 pixels
 - **File size**: Under 8MB
 
 <Frame>
   <img src="/images/assistant/slack-configure-light.png" alt="The Slack configuration panel in light mode." className="block dark:hidden" />