# `Twilio.Chat.V3.Service.ChannelService`
[🔗](https://github.com/jeffhuen/twilio_elixir/blob/main/lib/twilio/chat/v3/service/channel_service.ex#L2)

A Channel resource represents a chat/conversation channel with an ordered list of messages and a participant roster.

Operations: `update`

# `update`

```elixir
@spec update(Twilio.Client.t(), String.t(), String.t(), map(), keyword()) ::
  {:ok, Twilio.Resources.Chat.V3.Service.Channel.t()}
  | {:ok, map(), map()}
  | :ok
  | {:error, Twilio.Error.t()}
```

Update a specific Channel.

Operation: `UpdateChannel` | Tags: ChatV3Channel

## Optional Parameters

| Parameter | Type | Description |
|-----------|------|-------------|
# credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
| `MessagingServiceSid` | string | The unique ID of the [Messaging Service](https://www.twilio.com/docs/messaging/api/service-resource) this channel belongs to. |
| `Type` | string |  Values: `public`, `private` |

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*Consult [api-reference.md](api-reference.md) for complete listing*