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

# Using the Letters Feature

> How to generate letters using transcriptions, templates, and your own sources

## Intro to Letters

Our easy how-to guide to get you started.

<Frame>
  <iframe width="100%" height="400" src="https://player.vimeo.com/video/1037372004" />
</Frame>

## Key Features

Letters enables you to create custom documents from core details, transcriptions, and typed or scanned PDFs.

<Card title="Letter Types" icon="file">
  Build personalised Letter Types to train Letters to match your tone and structure.
</Card>

<Card title="Sources" icon="link">
  Upload content to include in your letter, such as documents, transcriptions, or notes.

  * **Quick Dictate**: Dictate your voice directly as a letter source.

  * **Text**: Type or paste text from a document or your medical records.

  * **Files**: Upload typed or scanned PDFs.

  * **Transcriptions**: Attach your past transcriptions.
</Card>

<Card title="Version History" icon="clock">
  Track and revert changes easily.
</Card>

<Card title="Request Edits" icon="pen">
  Quickly request modifications to generated letters.
</Card>