# UpdateServiceIdentityRequest Updates explicitly present profile fields. Empty description clears it; omitted fields remain unchanged. Ownership is changed only through the transfer endpoint. `Goodmem.Client.Models.UpdateServiceIdentityRequest` - `Description` (`string?`): Replacement description. An empty string clears the description. JSON: `description`. - `DisplayName` (`string?`): Replacement display name. A present blank value is invalid. JSON: `displayName`. - `MergeLabels` (`IReadOnlyDictionary?`): Labels to upsert; must contain at least one entry and is mutually exclusive with replaceLabels. The final stored map may contain at most 20 entries; keys and values contain at most 255 characters; keys use [a-z0-9._-]. JSON: `mergeLabels`. - `ReplaceLabels` (`IReadOnlyDictionary?`): Complete replacement label map; an empty map clears all labels and is mutually exclusive with mergeLabels. At most 20 entries; keys and values contain at most 255 characters; keys use [a-z0-9._-]. JSON: `replaceLabels`. [.NET](../../dotnet.md)