[@knotfive/chatpi-client-js](../README.md) › [Globals](../globals.md) › ["types"](../modules/_types_.md) › [onPresenceChangeCb](_types_.onpresencechangecb.md)

# Interface: onPresenceChangeCb

## Hierarchy

* **onPresenceChangeCb**

## Callable

▸ (`channelId`: [ChannelId](../modules/_types_.md#channelid), `presences`: [ChatpiPresence](_types_.chatpipresence.md)): *void*

*Defined in [types.ts:12](https://github.com/ArcQ/chatpi/blob/8af0fd6/clients/js/chatpi-client/src/types.ts#L12)*

**Parameters:**

Name | Type |
------ | ------ |
`channelId` | [ChannelId](../modules/_types_.md#channelid) |
`presences` | [ChatpiPresence](_types_.chatpipresence.md) |

**Returns:** *void*