# UpdateDomainRequestBody
## Fields
| Field | Type | Required | Description |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `name` | *JsonNullable extends String>* | :heavy_minus_sign: | The new domain name. For development instances, can contain the port,
i.e `myhostname:3000`. For production instances, must be a valid FQDN,
i.e `mysite.com`. Cannot contain protocol scheme. |
| `proxyUrl` | *JsonNullable extends String>* | :heavy_minus_sign: | The full URL of the proxy that will forward requests to Clerk's Frontend API.
Can only be updated for production instances. |