using System.ComponentModel.DataAnnotations; namespace SPMS.Application.DTOs.Push; public class PushScheduleRequestDto { [Required] public string MessageCode { get; set; } = string.Empty; [Required] public string SendType { get; set; } = string.Empty; public long? DeviceId { get; set; } public List? Tags { get; set; } [Required] public string ScheduledAt { get; set; } = string.Empty; public Dictionary? Variables { get; set; } }