Fix for SK

Anthropic.SDK.Tests/Anthropic.SDK.Tests.csproj

@@ -27,6 +27,9 @@
     <Content Include="appsettings.json.template">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+  <Content Include="SummarizePlugin\SummarizeDocuments\skprompt.txt">
+	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+  </Content>
   </ItemGroup>
 
   <ItemGroup>

Anthropic.SDK.Tests/SemanticKernelInitializationTests.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
 using Anthropic.SDK.Constants;
@@ -9,6 +10,7 @@
 using Microsoft.SemanticKernel;
 using Microsoft.SemanticKernel.ChatCompletion;
 using Microsoft.SemanticKernel.Connectors.OpenAI;
+using static Google.Rpc.Context.AttributeContext.Types;
 #pragma warning disable SKEXP0001
 
 namespace Anthropic.SDK.Tests
@@ -53,7 +55,61 @@ public async Task TestSKInit()
             Assert.IsTrue(result.Content.Contains("72"));
         }
 
+        [TestMethod]
+        public async Task TestSKPDF()
+        {
+            string resourceName = "Anthropic.SDK.Tests.Claude3ModelCard.pdf";
+
+            Assembly assembly = Assembly.GetExecutingAssembly();
+
+            await using Stream stream = assembly.GetManifestResourceStream(resourceName);
+            //read stream into byte array
+            using var ms = new MemoryStream();
+            await stream.CopyToAsync(ms);
+            byte[] pdfBytes = ms.ToArray();
+            string base64String = Convert.ToBase64String(pdfBytes);
+
+            var file = new File()
+            {
+                Name = "Claude3ModelCard.pdf",
+                DataUri = "data:application/pdf;base64," + base64String
+            };
+
+            AnthropicClient client = new AnthropicClient();
+            IChatCompletionService skChatService = new ChatClientBuilder(client.Messages)
+                .ConfigureOptions(opt =>
+                {
+                    opt.ModelId = AnthropicModels.Claude37Sonnet;
+                    opt.MaxOutputTokens = 1024;
+                })
+                .UseFunctionInvocation()
+                .Build()
+                .AsChatCompletionService();
+
+            IKernelBuilder kernelBuilder = Kernel.CreateBuilder();
+            kernelBuilder.Services.AddKeyedSingleton("test", skChatService);
 
+            Kernel kernel = kernelBuilder.Build();
+
+            // Add plugins from the `SkPlugins` folder
+            string pluginDirectoryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "SummarizePlugin");
+            kernel.ImportPluginFromPromptDirectory(pluginDirectoryPath);
+
+            string? filesSummary = await kernel.InvokeAsync<string>(
+                "SummarizePlugin",
+                "SummarizeDocuments",
+                new() { { "fileName", file.Name }, { "fileDataUri", file.DataUri } }
+            );
+
+        }
+
+
+    }
+
+    public class File
+    {
+        public string Name { get; set; }
+        public string DataUri { get; set; }
     }
 
     public class SkPlugins

Anthropic.SDK.Tests/SummarizePlugin/SummarizeDocuments/skprompt.txt

@@ -0,0 +1,9 @@
+<message role="system">
+  You are an AI assistant designed to help document information extraction.
+  Describe in detail what is in the documents provided to you.
+  If you do not see any documents, then state that you do not see any documents.
+</message>
+<message role="user">
+  <text>{{$fileName}}</text>
+  <image>{{$fileDataUri}}</image>
+</message>

Anthropic.SDK/Anthropic.SDK.csproj

@@ -14,12 +14,12 @@
 	  <PackageTags>Claude, AI, ML, API, Anthropic</PackageTags>
 	  <Title>Claude API</Title>
 	  <PackageReleaseNotes>
-		  Vertex AI Support
+		  Fix for bug in Semantic Kernel integration
 	  </PackageReleaseNotes>
 	  <PackageId>Anthropic.SDK</PackageId>
-	  <Version>5.1.0</Version>
-	  <AssemblyVersion>5.1.0.0</AssemblyVersion>
-	  <FileVersion>5.1.0.0</FileVersion>
+	  <Version>5.1.1</Version>
+	  <AssemblyVersion>5.1.1.0</AssemblyVersion>
+	  <FileVersion>5.1.1.0</FileVersion>
 	  <GenerateDocumentationFile>True</GenerateDocumentationFile>
 	  <PackageReadmeFile>README.md</PackageReadmeFile>
 	  <PackageIcon>icon.png</PackageIcon>

Anthropic.SDK/Messaging/ChatClientHelper.cs

@@ -134,6 +134,17 @@ public static MessageParameters CreateMessageParameters(IEnumerable<ChatMessage>
                                 });
                                 break;
 
+                            case Microsoft.Extensions.AI.DataContent documentContent when documentContent.HasTopLevelMediaType("application"):
+                                m.Content.Add(new DocumentContent()
+                                {
+                                    Source = new()
+                                    {
+                                        Data = Convert.ToBase64String(documentContent.Data.ToArray()),
+                                        MediaType = documentContent.MediaType,
+                                    }
+                                });
+                                break;
+
                             case Microsoft.Extensions.AI.FunctionCallContent fcc:
                                 m.Content.Add(new ToolUseContent()
                                 {