using System.ComponentModel.DataAnnotations; namespace Modules.User.WebApi.Models; public class ClientInfo { public string? Ip { get; set; } [Required(ErrorMessage = "Fingerprint is required.")] public string Fingerprint { get; set; } = default!; public string? Country { get; set; } public string? City { get; set; } public decimal? Latitude { get; set; } public decimal? Longitude { get; set; } }