> ## 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.

# start • AI Agent SDK

> start: Start the agent with a prompt.

# start

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

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

Start the agent with a prompt.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def start(prompt: str) -> str
```

## Parameters

<ParamField query="prompt" type="str" required={true}>
  No description available.
</ParamField>

### Returns

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

## Used By

* [`Heartbeat.start`](../functions/Heartbeat-start)
* [`AgentTeam.start`](../functions/AgentTeam-start)
* [`AgentTeam.run`](../functions/AgentTeam-run)
* [`AgentTeam.start_for_each`](../functions/AgentTeam-start_for_each)
* [`AgentTeam.spawn_sub_agent`](../functions/AgentTeam-spawn_sub_agent)

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/agent/protocols.py#L107">
  `praisonaiagents/agent/protocols.py` at line 107
</Card>