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

# Get Environment Variable

Gets the value of an environment variable.

### Inputs

| Name | Type | Description |
| - | - | - |
| Name | [Text](../../../../block-documentation/types/text) | The name of the environment variable. |
| Required | [Bool](../../../../block-documentation/types/bool) | Raise an error if the specified environment variable is not set. If unchecked, an unset environment variable returns an empty Text object and raises a warning. |
| Rerun | [List Interface](../../../../block-documentation/types/list-interface) | The block reruns when this input changes. To ensure the block reruns any time a notebook input changes, pass in a Group of all notebook inputs. |

### Outputs

| Type |
| - |
| [Text](../../../../block-documentation/types/text) |


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.