Application Insights WebTests SDK

PingWebTestProperties.cs

public class PingWebTestProperties : WebTestProperties
{
  public override string Kind => TestKind.Ping;

  public override WebTestConfiguration Configuration { get; set; }
}

public abstract class WebTestProperties
{
  ...

  public static implicit operator string(WebTestProperties properties)
  {
    return properties.ToString();
  }

  public override string ToString()
  {
    return JsonConvert.SerializeObject(this);
  }

  ...
}