diff --git a/Riskified.SDK.Sample/OrderTransmissionExample.cs b/Riskified.SDK.Sample/OrderTransmissionExample.cs
index 5e9803c..727ad44 100644
--- a/Riskified.SDK.Sample/OrderTransmissionExample.cs
+++ b/Riskified.SDK.Sample/OrderTransmissionExample.cs
@@ -359,7 +359,7 @@ private static Order GenerateOrder(int orderNum)
 
             var items = new[]
             {
-                new LineItem(title: "Bag",price: 55.44,quantityPurchased: 1,productId: 48484,sku: "1272727",deliveredTo: DeliveredToType.StorePickup),
+                new LineItem(title: "Bag",price: 55.44,quantityPurchased: 1,productId: 48484,sku: "1272727",deliveredTo: DeliveredToType.StorePickup, delivered_at:new DateTime(2016, 12, 8, 14, 12, 12, DateTimeKind.Local)),
                 new LineItem(title: "Monster", price: 22.3, quantityPurchased: 3, seller: new Seller(customer: customer,correspondence: 1, priceNegotiated: true, startingPrice: 120)),
                 // Events Tickets Industry 
                 new LineItem(title: "Concert", 
@@ -385,7 +385,8 @@ private static Order GenerateOrder(int orderNum)
                             message: "Happy Birthday",
                             greeting_message: "Happy Birthday from John",
                             card_type: "regular",
-                            card_sub_type: "birthday"),
+                            card_sub_type: "birthday",
+                            sender_email: "new_email@bb.com"),
             };
 
             var discountCodes = new[] { new DiscountCode(moneyDiscountSum: 7, code: "1") };
@@ -395,15 +396,22 @@ private static Order GenerateOrder(int orderNum)
             // This is an example for an order with charge free sums (e.g. gift card payment)
             var chargeFreePayments = new ChargeFreePaymentDetails(
                 gateway: "giftcard",
-                amount: 45
-                );
+                amount: 45);
 
             // This is an example for client details section
             var clientDetails = new ClientDetails(
                 accept_language: "en-CA",   
-                user_agent: "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)"
-                );
+                user_agent: "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)");
+
+            var recipientSocial = new SocialDetails(
+                network: "Facebook", 
+                publicUsername:"john.smith", 
+                accountUrl:"http://www.facebook.com/john.smith");
 
+            var recipient = new Recipient(
+                email: "aa@bb.com", 
+                phone: "96522444221",
+                social: recipientSocial);
 
             var order = new Order(
                 merchantOrderId: orderNum.ToString(), 
@@ -428,7 +436,9 @@ private static Order GenerateOrder(int orderNum)
                 vendorName: "domestic",
                 additionalEmails: new [] {"a@a.com","b@b.com"},
                 chargeFreePaymentDetails: chargeFreePayments,
-                clientDetails: clientDetails);
+                clientDetails: clientDetails,
+                groupInitiatorOrderID: "2222",
+                recipient: recipient);
 
             return order;
         }
diff --git a/Riskified.SDK/Model/OrderElements/LineItem.cs b/Riskified.SDK/Model/OrderElements/LineItem.cs
index 8f822de..948408e 100644
--- a/Riskified.SDK/Model/OrderElements/LineItem.cs
+++ b/Riskified.SDK/Model/OrderElements/LineItem.cs
@@ -48,7 +48,9 @@ public LineItem(string title,
                         string message = null,
                         string greeting_message = null,
                         string card_type = null,
-                        string card_sub_type = null)
+                        string card_sub_type = null,
+                        DateTime? delivered_at = null,
+                        string sender_email = null)
         {
             
             Title = title;
@@ -84,6 +86,8 @@ public LineItem(string title,
             GreetingMessage = greeting_message;
             CardType = card_type;
             CardSubtype = card_sub_type;
+            DeliveredAt = delivered_at;
+            SenderEmail = sender_email;
         }
 
         /// <summary>
@@ -224,6 +228,12 @@ public void Validate(Validations validationType = Validations.Weak)
         [JsonProperty(PropertyName = "sender_name")]
         public string SenderName { get; set; }
 
+        /// <summary>
+        /// The digital good's (giftcard) sender email.
+        /// </summary>
+        [JsonProperty(PropertyName = "sender_email")]
+        public string SenderEmail { get; set; }
+        
         /// <summary>
         /// The digital good's (giftcard) display name.
         /// </summary>
@@ -271,5 +281,11 @@ public void Validate(Validations validationType = Validations.Weak)
         /// </summary>
         [JsonProperty(PropertyName = "card_subtype")]
         public string CardSubtype { get; set; }
+
+        /// <summary>
+        /// The delivery date of the goods (e.g. gift card).
+        /// </summary>
+        [JsonProperty(PropertyName = "delivered_at")]
+        public DateTime? DeliveredAt { get; set; }
     }
 }
diff --git a/Riskified.SDK/Properties/AssemblyInfo.cs b/Riskified.SDK/Properties/AssemblyInfo.cs
index 966ffe2..4ee44d2 100644
--- a/Riskified.SDK/Properties/AssemblyInfo.cs
+++ b/Riskified.SDK/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.0.4.2")]
-[assembly: AssemblyFileVersion("2.0.4.2")]
+[assembly: AssemblyVersion("2.0.4.3")]
+[assembly: AssemblyFileVersion("2.0.4.3")]
diff --git a/Riskified.SDK/Riskified.SDK.csproj b/Riskified.SDK/Riskified.SDK.csproj
index 391a2ef..fe1a383 100644
--- a/Riskified.SDK/Riskified.SDK.csproj
+++ b/Riskified.SDK/Riskified.SDK.csproj
@@ -68,6 +68,7 @@
     <Compile Include="Model\OrderElements\IPaymentDetails.cs" />
     <Compile Include="Model\OrderElements\NoChargeDetails.cs" />
     <Compile Include="Model\OrderElements\PaypalPaymentDetails.cs" />
+    <Compile Include="Model\OrderElements\Recipient.cs" />
     <Compile Include="Model\OrderElements\Seller.cs" />
     <Compile Include="Model\OrderElements\SocialDetails.cs" />
     <Compile Include="Model\OrderElements\FulfillmentStatusCode.cs" />