AyCode.Core/AyCode.Interfaces/Messages/IMessageBase.cs

using AyCode.Interfaces.Entities;
using AyCode.Interfaces.TimeStampInfo;

namespace AyCode.Interfaces.Messages
{
    public interface IMessageBase : IEntityGuid, ITimeStampInfo, IMessageParticipants
    {        
        string Message { get; }
    }
}