> ## 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.

# Disable Built In Variables

> Disables built-in variables in a Google Tag Manager workspace

Disables built-in variables in a Google Tag Manager workspace.

|                       |                                  |
| --------------------- | -------------------------------- |
| **App**               | Google Tag Manager               |
| **Operation ID**      | `gtm_disable_built_in_variables` |
| **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.                                                                                                                                                                                                                    |
| `types`     | array of string (also accepts a comma-separated string) | Yes      | -       | Built-in variable types to disable, as a list or comma-separated text, using the Google Tag Manager API v2 BuiltInVariable type enum (e.g. pageUrl, clickClasses). Use gtm\_list\_built\_in\_variables to see what is currently enabled. |

## Output

**Type**: `Dict`

Returns \{disabled: true, types} on success (the API returns an empty body).