public ListAllAgentsRequest(
string email = null,
string mobile = null,
string phone = null,
AgentState?agentState = null)
{
var urlParams = new Dictionary <string, string>
{
{ "email", email },
{ "mobile", mobile },
{ "phone", phone },
{ "state", agentState?.GetQueryStringValue() }
}.Where(x => x.Value != null)
.Select(queryParam => $"{queryParam.Key}={Uri.EscapeDataString(queryParam.Value)}")
.ToList();
UrlWithQueryString = ListAllContactsUrl +
(urlParams.Any() ? "?" + string.Join("&", urlParams) : "");
}
