using MQTTnet.Protocol; namespace MQTTnet.Packets { public class MqttPubRecPacket : MqttBasePublishPacket { #region Added in MQTTv5 public MqttPubRecReasonCode? ReasonCode { get; set; } public MqttPubRecPacketProperties Properties { get; set; } #endregion public override string ToString() { return string.Concat("PubRec: [PacketIdentifier=", PacketIdentifier, "] [ReasonCode=", ReasonCode, "]"); } } }