diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxInput.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxInput.cs
index e776b1e6..005ff727 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxInput.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxInput.cs
@@ -101,7 +101,7 @@ public BoxInput() { }
         /// The items and their quantity in the box. This must be empty if the box contentInformationSource is BARCODE_2D or MANUAL_PROCESS.
         /// </summary>
         /// <value>The items and their quantity in the box. This must be empty if the box contentInformationSource is BARCODE_2D or MANUAL_PROCESS.</value>
-        [DataMember(Name = "items ", EmitDefaultValue = false)]
+        [DataMember(Name = "items", EmitDefaultValue = false)]
         public List<ItemInput> Items { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxUpdateInput.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxUpdateInput.cs
index bba90272..d790aa64 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxUpdateInput.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/BoxUpdateInput.cs
@@ -91,7 +91,7 @@ public BoxUpdateInput() { }
         /// Indication of how box content is meant to be provided.
         /// </summary>
         /// <value>Indication of how box content is meant to be provided.</value>
-        [DataMember(Name = "contentInformationSource", EmitDefaultValue = false)]
+        [DataMember(Name="contentInformationSource", EmitDefaultValue = false)]
         public BoxContentInformationSource ContentInformationSource { get; set; }
 
         /// <summary>
@@ -105,14 +105,14 @@ public BoxUpdateInput() { }
         /// The items and their quantity in the box. This must be empty if the box contentInformationSource is BARCODE_2D or MANUAL_PROCESS.
         /// </summary>
         /// <value>The items and their quantity in the box. This must be empty if the box contentInformationSource is BARCODE_2D or MANUAL_PROCESS.</value>
-        [DataMember(Name = "items ", EmitDefaultValue = false)]
+        [DataMember(Name="items", EmitDefaultValue = false)]
         public List<ItemInput> Items { get; set; }
 
         /// <summary>
         /// Primary key to uniquely identify a Box Package. PackageId must be provided if the intent is to update an existing box. Adding a new box will not require providing this value. Any existing PackageIds not provided will be treated as to-be-removed.
         /// </summary>
         /// <value>Primary key to uniquely identify a Box Package. PackageId must be provided if the intent is to update an existing box. Adding a new box will not require providing this value. Any existing PackageIds not provided will be treated as to-be-removed.</value>
-        [DataMember(Name = "packageId  ", EmitDefaultValue = false)]
+        [DataMember(Name="packageId", EmitDefaultValue = false)]
         public string PackageId { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/ContentUpdatePreview.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/ContentUpdatePreview.cs
index 5e17a765..dd3847e6 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/ContentUpdatePreview.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/ContentUpdatePreview.cs
@@ -85,7 +85,7 @@ public ContentUpdatePreview() { }
         /// Identifier of a content update preview.
         /// </summary>
         /// <value>Identifier of a content update preview.</value>
-        [DataMember(Name= "contentUpdatePreviewId ", EmitDefaultValue=false)]
+        [DataMember(Name="contentUpdatePreviewId", EmitDefaultValue=false)]
         public string ContentUpdatePreviewId { get; set; }
 
         /// <summary>
@@ -99,14 +99,14 @@ public ContentUpdatePreview() { }
         /// Objects that were included in the update request.
         /// </summary>
         /// <value>Objects that were included in the update request.</value>
-        [DataMember(Name= "requestedUpdates", EmitDefaultValue=false)]
+        [DataMember(Name="requestedUpdates", EmitDefaultValue=false)]
         public RequestedUpdates RequestedUpdates { get; set; }
 
         /// <summary>
         /// Contains information pertaining to a transportation option and the related carrier.
         /// </summary>
         /// <value>Contains information pertaining to a transportation option and the related carrier.</value>
-        [DataMember(Name= "transportationOption", EmitDefaultValue=false)]
+        [DataMember(Name="transportationOption", EmitDefaultValue=false)]
         public TransportationOption TransportationOption { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/DeliveryWindowOption.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/DeliveryWindowOption.cs
index e3126d6c..f39f20f3 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/DeliveryWindowOption.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/DeliveryWindowOption.cs
@@ -95,35 +95,35 @@ public DeliveryWindowOption() { }
         /// Identifies type of Delivery Window Availability. Values: AVAILABLE, CONGESTED
         /// </summary>
         /// <value>Identifies type of Delivery Window Availability. Values: AVAILABLE, CONGESTED</value>
-        [DataMember(Name = "availabilityType", EmitDefaultValue = false)]
+        [DataMember(Name="availabilityType", EmitDefaultValue = false)]
         public AvailabilityType AvailabilityType { get; set; }
 
         /// <summary>
         /// Identifier of a delivery window option. A delivery window option represent one option for when a shipment is expected to be delivered.
         /// </summary>
         /// <value>Identifier of a delivery window option. A delivery window option represent one option for when a shipment is expected to be delivered.</value>
-        [DataMember(Name = "deliveryWindowOptionId ", EmitDefaultValue = false)]
+        [DataMember(Name="deliveryWindowOptionId", EmitDefaultValue = false)]
         public string DeliveryWindowOptionId { get; set; }
 
         /// <summary>
         /// The timestamp at which this delivery window option ends. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.
         /// </summary>
         /// <value>The timestamp at which this delivery window option ends. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.</value>
-        [DataMember(Name = "endDate ", EmitDefaultValue = false)]
+        [DataMember(Name="endDate", EmitDefaultValue = false)]
         public DateTime? EndDate { get; set; }
 
         /// <summary>
         /// The timestamp at which this delivery window option starts. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.
         /// </summary>
         /// <value>The timestamp at which this delivery window option starts. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.</value>
-        [DataMember(Name = "startDate ", EmitDefaultValue = false)]
+        [DataMember(Name="startDate", EmitDefaultValue = false)]
         public DateTime? StartDate { get; set; }
 
         /// <summary>
         /// The timestamp at which this window delivery option becomes no longer valid. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.
         /// </summary>
         /// <value>The timestamp at which this window delivery option becomes no longer valid. This is based in ISO 8601 datetime with pattern yyyy-MM-ddTHH:mm:ss.sssZ.</value>
-        [DataMember(Name = "validUntil  ", EmitDefaultValue = false)]
+        [DataMember(Name="validUntil", EmitDefaultValue = false)]
         public DateTime? ValidUntil { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/PlacementOptionStatus.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/PlacementOptionStatus.cs
index 73087015..65a56e4f 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/PlacementOptionStatus.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/PlacementOptionStatus.cs
@@ -15,9 +15,9 @@
 namespace FikaAmazonAPI.AmazonSpApiSDK.Models.FulfillmentInboundv20240320
 {
     /// <summary>
-    /// The status of a placement option. Can be: OFFERED or ACCEPTED.
+    /// The status of a placement option. Can be: OFFERED, ACCEPTED, or EXPIRED.
     /// </summary>
-    /// <value>The status of a placement option. Can be: OFFERED or ACCEPTED.
+    /// <value>The status of a placement option. Can be: OFFERED, ACCEPTED, or EXPIRED.</value>
 
     [JsonConverter(typeof(StringEnumConverter))]
     public enum PlacementOptionStatus
@@ -26,7 +26,10 @@ public enum PlacementOptionStatus
         OFFERED = 1,
 
         [EnumMember(Value = "ACCEPTED")]
-        ACCEPTED = 2
+        ACCEPTED = 2,
+
+        [EnumMember(Value = "EXPIRED")]
+        EXPIRED = 3
     }
 
 }
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/RequestedUpdates.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/RequestedUpdates.cs
index 4dd1a860..64184efd 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/RequestedUpdates.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/RequestedUpdates.cs
@@ -51,7 +51,7 @@ public RequestedUpdates() { }
         /// A list of all items that will be present in the shipment after the update.
         /// </summary>
         /// <value>A list of all items that will be present in the shipment after the update.</value>
-        [DataMember(Name= "items ", EmitDefaultValue=false)]
+        [DataMember(Name= "items", EmitDefaultValue=false)]
         public List<ItemInput> Items { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/SelectedDeliveryWindow.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/SelectedDeliveryWindow.cs
index 96ce48cd..bdd3873d 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/SelectedDeliveryWindow.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/SelectedDeliveryWindow.cs
@@ -94,28 +94,28 @@ public SelectedDeliveryWindow() { }
         /// Identifier of a delivery window option. A delivery window option represent one option for when a shipment is expected to be delivered.
         /// </summary>
         /// <value>Identifier of a delivery window option. A delivery window option represent one option for when a shipment is expected to be delivered.</value>
-        [DataMember(Name = "deliveryWindowOptionId ", EmitDefaultValue = false)]
+        [DataMember(Name = "deliveryWindowOptionId", EmitDefaultValue = false)]
         public string DeliveryWindowOptionId { get; set; }
 
         /// <summary>
         /// The timestamp at which this Window can no longer be edited.
         /// </summary>
         /// <value>The timestamp at which this Window can no longer be edited.</value>
-        [DataMember(Name = "editableUntil  ", EmitDefaultValue = false)]
+        [DataMember(Name = "editableUntil", EmitDefaultValue = false)]
         public DateTime? EditableUntil { get; set; }
 
         /// <summary>
         /// The end timestamp of the window.
         /// </summary>
         /// <value>The end timestamp of the window.</value>
-        [DataMember(Name = "endDate ", EmitDefaultValue = false)]
+        [DataMember(Name = "endDate", EmitDefaultValue = false)]
         public DateTime? EndDate { get; set; }
 
         /// <summary>
         /// The start timestamp of the window.
         /// </summary>
         /// <value>The start timestamp of the window.</value>
-        [DataMember(Name = "startDate ", EmitDefaultValue = false)]
+        [DataMember(Name = "startDate", EmitDefaultValue = false)]
         public DateTime? StartDate { get; set; }
 
         /// <summary>
diff --git a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/Shipment.cs b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/Shipment.cs
index b067a474..8d21007c 100644
--- a/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/Shipment.cs
+++ b/Source/FikaAmazonAPI/AmazonSpApiSDK/Models/FulfillmentInboundv20240320/Shipment.cs
@@ -156,7 +156,7 @@ public Shipment()
         /// Freight information describes the skus being transported. Freight carrier options and quotes will only be returned if the freight information is provided.
         /// </summary>
         /// <value>Freight information describes the skus being transported. Freight carrier options and quotes will only be returned if the freight information is provided.</value>
-        [DataMember(Name= "freightInformation ", EmitDefaultValue=false)]
+        [DataMember(Name= "freightInformation", EmitDefaultValue=false)]
         public FreightInformation FreightInformation { get; set; }
 
         /// <summary>
@@ -177,7 +177,7 @@ public Shipment()
         /// Selected delivery window attributes.	
         /// </summary>
         /// <value>Selected delivery window attributes.	</value>
-        [DataMember(Name = "selectedDeliveryWindow ", EmitDefaultValue = false)]
+        [DataMember(Name = "selectedDeliveryWindow", EmitDefaultValue = false)]
         public SelectedDeliveryWindow SelectedDeliveryWindow { get; set; }
 
         /// <summary>