> ## Documentation Index
> Fetch the complete documentation index at: https://baileys.wiki/llms.txt
> Use this file to discover all available pages before exploring further.

# Chain

> Protobuf symbol Chain generated from WAProto.

## Classes

* [ChainKey](/proto-reference/SessionStructure/Chain/classes/ChainKey)
* [MessageKey](/proto-reference/SessionStructure/Chain/classes/MessageKey)

## Interfaces

* [IChainKey](/proto-reference/SessionStructure/Chain/interfaces/IChainKey)
* [IMessageKey](/proto-reference/SessionStructure/Chain/interfaces/IMessageKey)