> ## 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.

# Hello Params • AI Agent SDK

> HelloParams: Parameters for initiating a versioned handshake.

# HelloParams

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

AI Agent

Parameters for initiating a versioned handshake.

Attributes:
agent\_id: The agent to connect to
protocol\_min: Minimum protocol version the client supports
protocol\_max: Maximum protocol version the client supports
capabilities: Optional list of capability tokens the client supports
session\_id: Optional session to resume
since: Optional cursor for event replay
device: Optional device-identity proof (Issue #5998)

## Properties

**agent\_id** `str`

No description available.

**protocol\_min** `int`

No description available.

**protocol\_max** `int`

No description available.

**capabilities** `List[str]`

No description available.

**session\_id** `Optional[str]`

No description available.

**since** `Optional[int]`

No description available.

**device** `Optional[DeviceAuth]`

No description available.

**type** `str`

No description available.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L431)
>
> `praisonaiagents/gateway/protocols.py` at line 431


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