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

# Check ID • AI Agent SDK

> check_id: Stable namespaced identifier for this check.

# check\_id

Method

> This is a method of the [**HealthCheckProtocol**](https://praison.ai/docs/sdk/reference/praisonaiagents/classes/HealthCheckProtocol.md) class in the [**health\_check**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/health_check.md) module.

Stable namespaced identifier for this check.

The registry also accepts `id` as a compatibility alias for checks
written against the first version of this contract.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def check_id() -> str
```

### Returns

**Returns** `str`

The result of the operation.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/runtime/health_check.py#L74)
>
> `praisonaiagents/runtime/health_check.py` at line 74


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