> ## 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.

# Protocol Hello • AI Agent SDK

> ProtocolHello: Protocol version negotiation handshake request.

# ProtocolHello

> Defined in the [**protocols**](../modules/protocols) module.

<Badge color="blue">AI Agent</Badge>

Protocol version negotiation handshake request.

Sent by client during join to negotiate protocol version.

## Properties

<ResponseField name="min_version" type="int">
  No description available.
</ResponseField>

<ResponseField name="max_version" type="int">
  No description available.
</ResponseField>

<ResponseField name="features" type="List[str]">
  No description available.
</ResponseField>

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L4616">
  `praisonaiagents/gateway/protocols.py` at line 4616
</Card>