using System.ComponentModel.DataAnnotations; namespace SPMS.Application.DTOs.Message; public class MessageValidateRequestDto { [Required] public string Title { get; set; } = string.Empty; [Required] public string Body { get; set; } = string.Empty; public string? ImageUrl { get; set; } public string? LinkUrl { get; set; } public string? LinkType { get; set; } public string? Data { get; set; } }