public SchooxResponse<List<User>> GetEnrolledUsersInCourse(int courseId, string role, int? regionId = null,
int? locationId = null, int? jobId = null, string letter = null, int? start = null,
int? limit = 100, string sort = null)
{
if(courseId <= 0)
throw new ArgumentOutOfRangeException("courseId");
if(string.IsNullOrWhiteSpace("role"))
throw new ArgumentNullException("role");
if (limit <= 0 || limit > 1000)
throw new ArgumentOutOfRangeException("limit", "limit must be greater than 0 and less than or equal to 1000");
//GET /dashboard/courses/:courseid
var request = SService.GenerateBaseRequest("/dashboard/courses/{courseId}");
request.Method = Method.GET;
request.AddUrlSegment("courseId", courseId.ToString(CultureInfo.InvariantCulture));
request.AddNonBlankQueryString ("role", role);
request.AddNonBlankQueryString ("regionId", regionId);
request.AddNonBlankQueryString ("locationId", locationId);
request.AddNonBlankQueryString ("jobId", jobId);
request.AddNonBlankQueryString ("letter", letter);
request.AddNonBlankQueryString ("start", start);
request.AddNonBlankQueryString ("limit", limit);
request.AddNonBlankQueryString ("sort", sort);
return Execute<List<User>>(request);
}