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

# Magic ETL Tiles: Documents

## Intro

This article describes how to use the Documents tiles in Magic ETL.

Learn how to [create a Magic ETL DataFlow](/docs/s/article/360055259234).

<Note>
  **Note:** This feature is in beta. Beta Program participants can enable
  features [here](https://embed.domo.com/embed/pages/DQ8Ek). To join the Beta
  Program, fill out [this form](https://embed.domo.com/embed/pages/K8GMx). For beta questions or feedback, email
  [beta.admin@domo.com](mailto:beta.admin@domo.com).
</Note>

***

## Required Grants

To access the **Collection Input** tile in Magic ETL, the following grants must be enabled for your role:

* **Manage Documents —** View, edit, and delete any Document Collections in this instance.
* **Edit Documents —** Create and edit Document Collections to which you have access.
* **View Documents —** View only for any Document Collections to which you have access.

To generate alt text descriptions with the **Text Generation** tile, the following grants must also be enabled:

* Use AI Services

Learn more about [grants](/docs/s/article/360043438973).

## Admin Settings

Generative AI must be enabled for your instance before you can use the **Text Generation** tile. Go to **Admin** > **AI Service Layer** > **AI Settings** and turn on **Generative AI Enabled for Instance**. Learn more about [AI Admin Settings](/docs/s/article/AI-Admin-Settings).

## Collection Input Tile

The **Collection Input** tile lets you select a Document Collection as an input to your ETL.

<Frame>
  <img alt="etl_documents" src="https://mintcdn.com/domoinc/1zwDjSfTgJ6CpJf1/images/kb/etl_documents.png?fit=max&auto=format&n=1zwDjSfTgJ6CpJf1&q=85&s=06eb0114117e3d2371080ce21f8ccca9" width="732" height="1334" data-path="images/kb/etl_documents.png" />
</Frame>

### Configure the Collection Input Tile

Follow these steps to configure the **Collection Input** tile:

1. Inside Magic ETL, drag a **Collection Input** tile to the canvas from the **Documents** section in the left panel. The tile editor opens below the canvas.

<Frame>
  <img alt="etl_documents_collection" src="https://mintlify.s3.us-west-1.amazonaws.com/domoinc/images/kb/etl_documents_collection.png" />
</Frame>

2. Select a Document Collection from the **Source Collection** selector. The **Output Column Names** auto-populate; adjust them as needed.

## Use Cases

### Generate Alt Text Descriptions from Images

<Frame>
  <img alt="etl_documents_altText" src="https://mintlify.s3.us-west-1.amazonaws.com/domoinc/images/kb/etl_documents_altText.png" />
</Frame>

Follow these steps to generate alt text descriptions for images using a **Collection Input** tile together with a **Text Generation** tile:

1. Inside Magic ETL, drag a **Collection Input** tile to the canvas from the **Documents** section in the left panel.
2. Select a Document Collection from the **Source Collection** selector. The **Output Column Names** auto-populate; adjust them as needed.
3. Drag a **Text Generation** tile to the canvas from the **AI Services** section in the left panel.
4. For **Model**, select **Domo GPT-Small v2.1**.
5. For **Execution Preference**, select **Batch**.
6. Set the **Instructions** field to "Create an alt text description."
7. Set the **Prompt** field to "Create an alt text description for this image that I want to put on my blog."
8. For the optional file input, select `collection_id` and `path`.
9. Configure the output: set the output column name to `output`, the type to **Text**, and the description to "alt text description."
10. Drag an **Output DataSet** tile to the canvas from the **Datasets** section in the left panel to configure an output DataSet.
11. Set the name to "alt text description."
12. Select **Close and Run**.

## Related Articles

* [Magic ETL Tiles: AI Services](/docs/s/article/000005741)
* [Documents](/docs/s/article/Documents)
* [Create a Magic ETL DataFlow](/docs/s/article/360055259234)