using System.ComponentModel.DataAnnotations; namespace Server.Dto.Request; public class RequestEventDto { [Required(ErrorMessage = "AlumniId is required")] public string AlumniId { get; set; } [Required(ErrorMessage = "Title is required")] public string Title { get; set; } [Required(ErrorMessage = "Description is required")] public string Description { get; set; } [Required(ErrorMessage = "Date is required")] public DateTime Date { get; set; } [Required(ErrorMessage = "NumberOfParticipants is required")] public int nbMaxRegistrations { get; set; } public string? ImageUrl { get; set; } }