> ## Documentation Index
> Fetch the complete documentation index at: https://agno-v2-agui.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# BaseGuardrail

## Methods

### `check`

Perform the guardrail checks synchronously.

**Parameters:**

* `run_input` (RunInput | TeamRunInput): The input provided to the Agent or Team when invoking the run.

**Returns:** `None`

### `async_check`

Perform the guardrail checks asynchronously.

**Parameters:**

* `run_input` (RunInput | TeamRunInput): The input provided to the Agent or Team when invoking the run.

**Returns:** `None`