qdr.app.bb.bundleboiler/bundleboiler.data/Model/Attachment.cs

namespace qdr.app.bundleboiler.data.Model
{
    public class Attachment : DmBaseChildEntity<Realization>
    {
        public required string FileName { get; set; }
        public required string ContentType { get; set; }
        public required byte[] Content { get; set; }
    }
}