diff --git a/ComputerStoreDataModels/Models/IConsignmentModel.cs b/ComputerStoreDataModels/Models/IConsignmentModel.cs
index 319b232..155f7cb 100644
--- a/ComputerStoreDataModels/Models/IConsignmentModel.cs
+++ b/ComputerStoreDataModels/Models/IConsignmentModel.cs
@@ -6,7 +6,11 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDataModels.Models
 {
-    internal interface IConsignmentModel
+    public interface IConsignmentModel
     {
+        int OrderID { get; }
+        int ProductID { get; }
+        double Price { get; }
+        int Count { get; }
     }
 }
diff --git a/ComputerStoreDataModels/Models/IOrderModel.cs b/ComputerStoreDataModels/Models/IOrderModel.cs
index eaf3ff3..27f8916 100644
--- a/ComputerStoreDataModels/Models/IOrderModel.cs
+++ b/ComputerStoreDataModels/Models/IOrderModel.cs
@@ -6,7 +6,10 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDataModels.Models
 {
-    internal interface IOrderModel
+    public interface IOrderModel : IID
     {
+        double Price { get; }
+        DateTime Date { get; }
+        int UserID { get; }
     }
 }
diff --git a/ComputerStoreDataModels/Models/IRequestModel.cs b/ComputerStoreDataModels/Models/IRequestModel.cs
index 8c7a366..edc373b 100644
--- a/ComputerStoreDataModels/Models/IRequestModel.cs
+++ b/ComputerStoreDataModels/Models/IRequestModel.cs
@@ -6,7 +6,11 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDataModels.Models
 {
-    internal class IRequestModel
+    public interface IRequestModel
     {
+        int OrderID { get; }
+        int PCID { get; }
+        double Price { get; }
+        int Count { get; }
     }
 }
diff --git a/ComputerStoreDataModels/Models/IUserModel.cs b/ComputerStoreDataModels/Models/IUserModel.cs
index 4925076..7c038bc 100644
--- a/ComputerStoreDataModels/Models/IUserModel.cs
+++ b/ComputerStoreDataModels/Models/IUserModel.cs
@@ -6,8 +6,12 @@ using System.Threading.Tasks;
 
 namespace ComputerStoreDataModels.Models
 {
-    public class IUserModel : IID
+    public interface IUserModel : IID
     {
-
+        string Username { get; }
+        string Password { get; }
+        string FirstName { get; }
+        string LastName { get; }
+        string MiddleName { get; }
     }
 }