# Update channel

**POST /v2/Services/{ServiceSid}/Channels/{Sid}**


Channels represent chat rooms

## Servers
- https://chat.twilio.com: https://chat.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters
### Headers
- **X-Twilio-Webhook-Enabled** (string)
  The X-Twilio-Webhook-Enabled HTTP request header

### Path parameters
- **ServiceSid** (string)
  The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) to update the Channel resource in.
- **Sid** (string)
  The SID of the Channel resource to update. This value can be either the `sid` or the `unique_name` of the Channel resource to update.


### Body: application/x-www-form-urlencoded (object)

- **FriendlyName** (string)
  A descriptive string that you create to describe the resource. It can be up to 256 characters long.
- **UniqueName** (string)
  An application-defined string that uniquely identifies the resource. It can be used to address the resource in place of the resource's `sid` in the URL. This value must be 256 characters or less in length and unique within the Service.
- **Attributes** (string)
  A valid JSON string that contains application-specific data.
- **DateCreated** (string(date-time))
  The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was created. The default value is the current time set by the Chat service.  Note that this should only be used in cases where a Channel is being recreated from a backup/separate source.
- **DateUpdated** (string(date-time))
  The date, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format, to assign to the resource as the date it was last updated.
- **CreatedBy** (string)
  The `identity` of the User that created the channel. Default is: `system`.


## Responses
### 200
OK
#### Headers
- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **sid** (string | null)
  The unique string that we created to identify the Channel resource.
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Channel resource.
- **service_sid** (string | null)
  The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) the Channel resource is associated with.
- **friendly_name** (string | null)
  The string that you assigned to describe the resource.
- **unique_name** (string | null)
  An application-defined string that uniquely identifies the resource. It can be used to address the resource in place of the resource's `sid` in the URL.
- **attributes** (string | null)
  The JSON string that stores application-specific data. If attributes have not been set, `{}` is returned.
- **type** (string)
  The visibility of the channel. Can be: `public` or `private`.
- **date_created** (string(date-time) | null)
  The date and time in GMT when the resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **date_updated** (string(date-time) | null)
  The date and time in GMT when the resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **created_by** (string | null)
  The `identity` of the User that created the channel. If the Channel was created by using the API, the value is `system`.
- **members_count** (integer)
  The number of Members in the Channel.
- **messages_count** (integer)
  The number of Messages that have been passed in the Channel.
- **url** (string(uri) | null)
  The absolute URL of the Channel resource.
- **links** (object(uri-map) | null)
  The absolute URLs of the [Members](https://www.twilio.com/docs/chat/rest/member-resource), [Messages](https://www.twilio.com/docs/chat/rest/message-resource), [Invites](https://www.twilio.com/docs/chat/rest/invite-resource), Webhooks and, if it exists, the last [Message](https://www.twilio.com/docs/chat/rest/message-resource) for the Channel.


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