I don't know what I'm doing anymore

Sledgemapper.Api/Models/SessionUser.cs

@@ -0,0 +1,18 @@
+using System.Data;
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Sledgemapper.Api.Models
+{
+    public class SessionUser
+    {
+        [Key]
+        public int SessionUserId { get; set; }
+
+        [Required]
+        public int SessionId { get; set; }
+
+        [Required]
+        public int UserId { get; set; }
+    }
+}