> ## 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.

# Mark Sent • AI Agent SDK

> mark_sent: Mark a message as successfully sent.

# mark\_sent

AsyncMethod

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

Mark a message as successfully sent.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
async def mark_sent(key: str) -> bool
```

## Parameters

**key** `str` *required*

The entry key returned by enqueue()

### Returns

**Returns** `bool`

True if marked successfully, False if not found

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L2058)
>
> `praisonaiagents/gateway/protocols.py` at line 2058


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