> ## 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.

# Extract Carrier • AI Agent SDK

> extract_carrier: No-op: no parent context to continue when tracing is disabled.

# extract\_carrier

<div className="flex items-center gap-2">
  <Badge color="purple">Method</Badge>
</div>

> This is a method of the [**NullGatewayTraceHook**](../classes/NullGatewayTraceHook) class in the [**protocols**](../modules/protocols) module.

No-op: no parent context to continue when tracing is disabled.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def extract_carrier(carrier: 'Mapping[str, str]') -> 'Optional[Mapping[str, str]]'
```

## Parameters

<ParamField query="carrier" type="'Mapping[str, str]'" required={true}>
  No description available.
</ParamField>

### Returns

<ResponseField name="Returns" type="'Optional[Mapping[str, str]]'">
  The result of the operation.
</ResponseField>

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L5281">
  `praisonaiagents/gateway/protocols.py` at line 5281
</Card>