csharp-sdk-upm/Engine/Handlers/LCPingHandler.cs

using System.Collections.Generic;

namespace LeanCloud.Engine {
    public class LCPingHandler {
        public static object HandlePing() {
            LCLogger.Debug("Ping ~~~");
            return new Dictionary<string, string> {
                { "runtime", "dotnet-3.1" },
                { "version", LCApplication.SDKVersion }
            };
        }
    }
}