public void AssignIssue(string key, string user) { string uri = new Uri(ServerAddress).Append($"/rest/api/2/issue/{key}").AbsoluteUri; string userField = _isCloud ? "accountId" : "name"; if (user == null && _isCloud) { user = "******"; } string data = $"{{\"fields\": {{\"assignee\":{{\"{userField}\":\"{user}\"}}}}}}"; _webRequester.HttpPut(uri, data, _username, _password); }