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

# Challenges

| Field           | Type       | Description                                                                                        |
| :-------------- | :--------- | :------------------------------------------------------------------------------------------------- |
| `field_name`    | String     | A non-unique identifier for the question.                                                          |
| `guid`          | String     | A unique identifier for the challenge, defined by MX.                                              |
| `label`         | String     | A readable question that is presented to the user.                                                 |
| `type`          | String     | The type of challenge. Supported types: `TEXT`, `OPTIONS`, `TOKEN`, `IMAGE_DATA`, `IMAGE_OPTIONS`. |
| `image_data`    | String     | Image data encoded as a base64 string. Only present when the challenge type is `IMAGE_DATA`.       |
| `image_options` | Choices\[] | An array of choices. Only present when the challenge type is `IMAGE_OPTIONS`.                      |
| `options`       | Choices\[] | An array of choices. Only present when the challenge type is `OPTIONS`.                            |