// Read configuration parameters
var companyId = int.Parse(ConfigurationManager.AppSettings.Get("CompanyId"));
var user = ConfigurationManager.AppSettings.Get("UserName");
var password = ConfigurationManager.AppSettings.Get("Password");

// Create RestClient class
var client = Environments.Nordic.CreateCatiRestClient(user, password, companyId);

// Create service class
IInterviewerSessionHistoryService interviewerSessionHistoryService = new InterviewerSessionHistoryService(client);

// Get all call history data
var data = await interviewerSessionHistoryService.GetAsync("$filter=cast(LoginTime,'Edm.DateTimeOffset') gt 2020-01-02T00:00:00Z");