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

# Get Form Value Action

> Documentation for Get Form Value Action

The `StacGetFormValueAction` class is used to retrieve a form value in Stac applications.

## Properties

| Property | Type     | Description                      |
| -------- | -------- | -------------------------------- |
| id       | `String` | The ID of the form field to get. |

## Example

<CodeGroup>
  ```dart Dart theme={null}
  StacGetFormValueAction(id: 'username')
  ```

  ```json JSON theme={null}
  {
    "actionType": "getFormValue",
    "id": "username"
  }
  ```
</CodeGroup>