ThirdPartyAPI/Transfast/Model/SendTxn/TxnCancel/TFTxnCancelRequest.cs

using System.ComponentModel.DataAnnotations;

namespace Transfast.Model.SendTxn.TxnCancel
{
    public class TFTxnCancelRequest
    {
        [Required]
        public string TfPin { get; set; }

        [Required]
        public string ReasonId { get; set; }
    }
}