diff --git a/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignRequest.cs b/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignRequest.cs
new file mode 100644
index 00000000..32619baf
--- /dev/null
+++ b/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignRequest.cs
@@ -0,0 +1,34 @@
+// AssignRequest.cs
+//
+
+
+using System.Collections.Generic;
+using Xrm.Sdk;
+using Xrm.Sdk.Messages;
+
+namespace Xrm.Sdk.Messages
+{
+    public class AssignRequest : OrganizationRequest
+    {
+        public EntityReference Target;
+        public EntityReference Assignee;
+
+        public string Serialise()
+        {
+            return "<request i:type=\"c:AssignRequest\" xmlns:a=\"http://schemas.microsoft.com/xrm/2011/Contracts\" xmlns:c=\"http://schemas.microsoft.com/crm/2011/Contracts\">"
+               + "        <a:Parameters xmlns:b=\"http://schemas.datacontract.org/2004/07/System.Collections.Generic\">"
+                 + "          <a:KeyValuePairOfstringanyType>"
+               + "            <b:key>Target</b:key>"
+               + Attribute.SerialiseValue(Target,null) 
+               + "          </a:KeyValuePairOfstringanyType>"
+                   + "          <a:KeyValuePairOfstringanyType>"
+               + "            <b:key>Assignee</b:key>"
+                + Attribute.SerialiseValue(Assignee, null) 
+               + "          </a:KeyValuePairOfstringanyType>"
+               + "        </a:Parameters>"
+               + "        <a:RequestId i:nil=\"true\" />"
+               + "        <a:RequestName>Assign</a:RequestName>"
+               + "      </request>";
+        }
+    }
+}
diff --git a/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignResponse.cs b/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignResponse.cs
new file mode 100644
index 00000000..386d54c8
--- /dev/null
+++ b/SparkleXrmSource/SparkleXrm/Sdk/Messages/AssignResponse.cs
@@ -0,0 +1,21 @@
+// AssignResponse.cs
+//
+
+using System;
+using System.Collections.Generic;
+using System.Xml;
+using Xrm.Sdk.Messages;
+
+namespace Xrm.Sdk.Messages
+{
+    public class AssignResponse : OrganizationResponse
+    {
+
+        public AssignResponse(XmlNode response)
+        {
+            // Nothing to see here!
+            // AssignResponse contains no response values
+        }
+       
+    }
+}
diff --git a/SparkleXrmSource/SparkleXrm/Sdk/OrganizationServiceProxy.cs b/SparkleXrmSource/SparkleXrm/Sdk/OrganizationServiceProxy.cs
index 704890be..2154ddd3 100644
--- a/SparkleXrmSource/SparkleXrm/Sdk/OrganizationServiceProxy.cs
+++ b/SparkleXrmSource/SparkleXrm/Sdk/OrganizationServiceProxy.cs
@@ -598,6 +598,8 @@ public static OrganizationResponse EndExecute(object asyncState)
                         return new RetrieveRelationshipResponse(response);
                     case "ExecuteWorkflow":
                         return new ExecuteWorkflowResponse(response);
+                    case "Assign":
+                        return new AssignResponse(response);
                     default:
                         // Allow custom actions/message types to be registered
                         if (ExecuteMessageResponseTypes.ContainsKey(type))
diff --git a/SparkleXrmSource/SparkleXrm/SparkleXrm.csproj b/SparkleXrmSource/SparkleXrm/SparkleXrm.csproj
index fcbdd20f..4fce4749 100644
--- a/SparkleXrmSource/SparkleXrm/SparkleXrm.csproj
+++ b/SparkleXrmSource/SparkleXrm/SparkleXrm.csproj
@@ -79,6 +79,8 @@
     <Compile Include="Sdk\EntityCollection.cs" />
     <Compile Include="Sdk\EntityReference.cs" />
     <Compile Include="Sdk\Guid.cs" />
+    <Compile Include="Sdk\Messages\AssignRequest.cs" />
+    <Compile Include="Sdk\Messages\AssignResponse.cs" />
     <Compile Include="Sdk\Messages\BulkDeleteRequest.cs" />
     <Compile Include="Sdk\Messages\BulkDeleteResponse.cs" />
     <Compile Include="Sdk\Messages\ExecuteWorkflowRequest.cs" />