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

# Introduction

> Learn how to send messages, emails, and notifications through aiConnected Personas.

Personas in aiConnected can send messages across every channel your business uses — email, SMS, voice, and in-app notifications — all triggered by workflow events or direct API calls.

## Supported channels

* **Email** — Transactional and broadcast via your connected ESP
* **SMS** — Outbound messaging via dialEngine
* **Voice** — Outbound calls via dialEngine and PowerDial.ai
* **In-app** — Notifications delivered inside the aiConnected workspace

## Next steps

<CardGroup cols={2}>
  <Card title="Batch Sending" icon="layer-group" href="/learn/sending/batch-sending">
    Send messages to multiple recipients in a single workflow run.
  </Card>

  <Card title="Attachments" icon="paperclip" href="/learn/sending/attachments">
    Attach files and documents to outbound messages.
  </Card>

  <Card title="Schedule Messages" icon="clock" href="/learn/sending/schedule-message">
    Queue messages for future delivery.
  </Card>

  <Card title="Custom Headers" icon="code" href="/learn/sending/custom-headers">
    Pass custom metadata with outbound requests.
  </Card>
</CardGroup>