> ## 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.

# List Sink • AI Agent SDK

> ListSink: Sink that collects events in a list.

# ListSink

> Defined in the [**protocol**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/protocol.md) module.

AI Agent

Sink that collects events in a list.

Useful for testing and programmatic access to trace events.

## Methods

> [card] [emit()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/ListSink-emit.md)
>
> Add event to the list.

> [card] [flush()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/ListSink-flush.md)
>
> No-op for list sink.

> [card] [close()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/ListSink-close.md)
>
> No-op for list sink.

> [card] [get\_events()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/ListSink-get_events.md)
>
> Get all collected events.

> [card] [clear()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/ListSink-clear.md)
>
> Clear all collected events.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/trace/protocol.py#L139)
>
> `praisonaiagents/trace/protocol.py` at line 139


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