> ## 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

Method

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

Start the agent with a prompt.

## Signature

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

## Parameters

**prompt** `str` *required*

No description available.

### Returns

**Returns** `str`

The result of the operation.

## 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] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/agent/protocols.py#L107)
>
> `praisonaiagents/agent/protocols.py` at line 107


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