Removing duplicated lines - wip

MainProject/Models/Api/Data/User/UpdateUserRequestData.cs

@@ -1,9 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+
 namespace BasicDotnetTemplate.MainProject.Models.Api.Data.User;
 
 public class UpdateUserRequestData
 {
-    public string FirstName { get; set; } = String.Empty;
-    public string LastName { get; set; } = String.Empty;
+    [Required(ErrorMessage = "FirstName is required")]
+    [StringLength(200, ErrorMessage = "FirstName's maxLength: 200")]
+    public required string FirstName { get; set; }
+
+    [Required(ErrorMessage = "LastName is required")]
+    [StringLength(200, ErrorMessage = "LastName's maxLength: 200")]
+    public required string LastName { get; set; }
 
 }