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

# Update Element Alt Text

> Set or update the alt text of slide elements

Set or update the alt text of slide elements. The alt text acts as a unique identifier used by other nodes (e.g., update text, replace images, update tables).

|                      |                                  |
| -------------------- | -------------------------------- |
| **App**              | Google Slides                    |
| **Operation ID**     | `slides_update_element_alt_text` |
| **Type**             | Action                           |
| **Connection**       | `drive` (optional)               |
| **Credits per run**  | 1                                |
| **Agent / MCP tool** | Yes                              |

## Inputs

| Field          | Type   | Required | Default | Description                                                                                                                                                                                                                                                                                                                           |
| -------------- | ------ | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `presentation` | string | Yes      | -       | Google Slides presentation URL or ID. You must ask the user for it if not provided.                                                                                                                                                                                                                                                   |
| `element_id`   | string | Yes      | -       | The unique Google Slides object ID of the element (table, image, shape, etc.) whose alt text you want to update. Example format: 'g1a82910c99\_0\_0' You can find element IDs by using other operations 'slides\_get\_slide', 'slides\_list\_elements' which list all elements on a slide along with their IDs and existing alt text. |
| `alt_text`     | string | Yes      | -       | The alt text to set for the element. We use alt text as id to link elements and update them like updating text, tables, etc.                                                                                                                                                                                                          |

## Output

**Type**: `Dict`

Returns update confirmation.

**Fields**: `message`, `element_id`, `alt_text`, `presentation_id`