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

# Communication

> Send messages and emails through Slack, Discord, Gmail, Teams, Telegram, Outlook, and Resend

## Slack

Send messages to Slack channels or read recent messages from a channel.

**Operations:**

* **Send Message** — Post a message to a Slack channel
* **Read Messages** — Fetch recent messages from a channel

**Configuration:**

| Field         | Description                                                   |
| ------------- | ------------------------------------------------------------- |
| **Operation** | Send Message or Read Messages                                 |
| **Channel**   | The Slack channel to target                                   |
| **Content**   | Message text (for Send Message). Supports template variables. |

**Requires:** Slack OAuth connection

***

## Discord

Send messages to Discord channels via webhooks.

**Configuration:**

| Field           | Description                                    |
| --------------- | ---------------------------------------------- |
| **Webhook URL** | The Discord webhook URL for the target channel |
| **Content**     | Message text. Supports template variables.     |

**Requires:** Discord OAuth connection

***

## Gmail

Send emails or read your inbox through Gmail.

**Operations:**

* **Send Email** — Compose and send an email
* **Read Emails** — Fetch recent emails from your inbox

**Configuration (Send Email):**

| Field       | Description                 |
| ----------- | --------------------------- |
| **To**      | Recipient email address     |
| **Subject** | Email subject line          |
| **Body**    | Email body (HTML supported) |

**Requires:** Google OAuth connection

***

## Microsoft Outlook

Send emails or read your inbox through Microsoft Outlook.

**Operations:**

* **Send Email** — Compose and send an email
* **Read Emails** — Fetch recent emails

**Configuration (Send Email):**

| Field       | Description             |
| ----------- | ----------------------- |
| **To**      | Recipient email address |
| **Subject** | Email subject line      |
| **Body**    | Email body              |

**Requires:** Microsoft OAuth connection

***

## Microsoft Teams

Send messages to Microsoft Teams channels.

**Configuration:**

| Field       | Description                  |
| ----------- | ---------------------------- |
| **Channel** | The Teams channel to post to |
| **Content** | Message text                 |

**Requires:** Microsoft OAuth connection

***

## Telegram

Send messages through Telegram. To start a workflow from incoming bot messages, use the [Telegram Trigger](/triggers#telegram-trigger).

**Configuration:**

| Field         | Description                                     |
| ------------- | ----------------------------------------------- |
| **Bot token** | Telegram bot token                              |
| **Chat ID**   | The Telegram chat, channel, or group to message |
| **Content**   | Message text                                    |

***

## Resend

Send transactional emails using the Resend email API.

**Configuration:**

| Field       | Description                 |
| ----------- | --------------------------- |
| **To**      | Recipient email address     |
| **Subject** | Email subject               |
| **Body**    | Email body (HTML supported) |

Resend is a good choice when you need to send emails from a custom domain without connecting a personal Gmail or Outlook account.