firstName: String!
middleName: String
lastName: String!
username: String
timeZone: TimeZoneInfo!
primaryLanguage: CultureInfo!
This mutation checks if a client exists if client already exists then that client is updated otherwise a new client is created. **Returns:** Returns the newly created client information along with a new Client ID.
firstName: String!
middleName: String
lastName: String!
username: String
timeZone: TimeZoneInfo!
primaryLanguage: CultureInfo!