> ## 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.

# Revert Built In Variable

> Reverts a built-in variable's workspace enabled/disabled state back to the latest container version

Reverts a built-in variable's workspace enabled/disabled state back to the latest container version.

|                       |                                |
| --------------------- | ------------------------------ |
| **App**               | Google Tag Manager             |
| **Operation ID**      | `gtm_revert_built_in_variable` |
| **Type**              | Action                         |
| **Connection**        | `gtm` (required)               |
| **Credits per run**   | 1                              |
| **Agent / MCP tool**  | Yes                            |
| **Requires approval** | Yes (write operation)          |

## Inputs

| Field       | Type           | Required | Default | Description                                                                                                                                                                                     |
| ----------- | -------------- | -------- | ------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `account`   | DynamicAccount | Yes      | -       | Select the Google Tag Manager account.                                                                                                                                                          |
| `container` | DynamicAccount | Yes      | -       | Select the container.                                                                                                                                                                           |
| `workspace` | DynamicAccount | Yes      | -       | Select the workspace.                                                                                                                                                                           |
| `type`      | string         | Yes      | -       | Built-in variable type whose workspace enabled/disabled state should be reverted to the latest container version, using the Google Tag Manager API v2 BuiltInVariable type enum (e.g. pageUrl). |

## Output

**Type**: `Dict`

Returns \{enabled: bool} indicating the reverted state as provided by the Tag Manager API.