public void UpdateSuite()
{
QaseAPI qaseAPI = new QaseAPI("https://api.qase.io/v1", "your api token");
var id = qaseAPI.UpdateTestSuiteAsync("TEST", 1, new SuiteRequest
{
Title = "Test suite title",
Description = "Suite description",
Preconditions = "Suite preconditions"
}).Result
.Result.Id;
}