updated

Database/AppDbContext.cs

@@ -14,6 +14,8 @@ namespace DiscordApp.Database
         public DbSet<BooksPatents> BookPatents { get; set; }
         public DbSet<Bizness> Bizness { get; set; }
         public DbSet<Reports> Reports { get; set; }
+        public DbSet<Certificate> Certificates { get; set; }
+        
         protected override void OnModelCreating(ModelBuilder modelBuilder)
         {
             base.OnModelCreating(modelBuilder);

Database/Tables/Certificate.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace DiscordApp.Database.Tables
+{
+
+    [Table("Certificate", Schema = "public")]
+    public class Certificate
+    {
+        [Key]
+        public int Id { get; set; }
+        public string Employee { get; set; }
+        public Passport passport { get; set; }
+        public DateOnly Date { get; set; }
+        public string Text { get; set; }
+        public int DocumentId { get; set; }
+
+        
+    }
+}