> ## 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.

# emit • AI Agent SDK

> emit: Emit an event.

# emit

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

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

Emit an event.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def emit(event_type: EventType, data: Optional[Dict[str, Any]], duration_ms: Optional[float]) -> Any
```

## Parameters

<ParamField query="event_type" type="EventType" required={true}>
  Type of event
</ParamField>

<ParamField query="data" type="Optional" required={false}>
  Event data
</ParamField>

<ParamField query="duration_ms" type="Optional[float]" required={false}>
  Optional duration
</ParamField>

### Returns

<ResponseField name="Returns" type="Any">
  The result of the operation.
</ResponseField>

## Uses

* `ObservabilityEvent`
* `time.time`
* `handler`
* `logger.warning`

## Used By

* [`ObservabilityHooks.start_execution`](../functions/ObservabilityHooks-start_execution)
* [`ObservabilityHooks.end_execution`](../functions/ObservabilityHooks-end_execution)

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/escalation/observability.py#L175">
  `praisonaiagents/escalation/observability.py` at line 175
</Card>