> ## 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.

# LLM Response • AI Agent SDK

> llm_response: Emit LLM response event.

# llm\_response

Method

> This is a method of the [**ContextTraceEmitter**](https://praison.ai/docs/sdk/reference/praisonaiagents/classes/ContextTraceEmitter.md) class in the [**context\_events**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/context_events.md) module.

Emit LLM response event.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def llm_response(agent_name: str, response_tokens: int, duration_ms: float, finish_reason: Optional[str], response_content: Optional[str], prompt_tokens: int, completion_tokens: int, cost_usd: float, model: Optional[str]) -> None
```

## Parameters

**agent\_name** `str` *required*

Name of the agent receiving the response

**response\_tokens** `int` (default: 0)

Number of tokens in response (deprecated, use completion\_tokens)

**duration\_ms** `float` (default: 0.0)

Response time in milliseconds

**finish\_reason** `Optional[str]`

Reason for completion (stop, length, etc.)

**response\_content** `Optional[str]`

Optional response content for context replay

**prompt\_tokens** `int` (default: 0)

Number of tokens in the prompt/request

**completion\_tokens** `int` (default: 0)

Number of tokens in the completion/response

**cost\_usd** `float` (default: 0.0)

Estimated cost in USD for this LLM call

**model** `Optional[str]`

Model that served the call (stored as `data.model`)

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/trace/context_events.py#L1046)
>
> `praisonaiagents/trace/context_events.py` at line 1046

***

## Related Documentation

> [card] [Models Overview](https://praison.ai/docs/docs/models)

> [card] [LLM Configuration](https://praison.ai/docs/docs/configuration/llm-config)

> [card] [Model Router](https://praison.ai/docs/docs/features/model-router)

> [card] [Model Failover](https://praison.ai/docs/docs/features/model-failover)


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