public class DocumentSynchronizationTask
    {
        public IEnumerable<PersonInfo> Persons { get; set; }

        public DateTime DocStartDate { get; set; }

        public DateTime DocEndDate { get; set; }

        public IEnumerable<int> DocumentIds { get; set; }

        public IEnumerable<DocumentType> DocumentTypes { get; set; }

        public Guid? TaskId { get; set; }

        public Guid UserId { get; set; }
    }


// inner model
public class PersonInfo
    {
        public Guid? PersonId { get; set; }
        public string TaxId { get; set; }
    }