.Net: Unsupported chat message content type 'Microsoft.SemanticKernel.FileReferenceContent'.

[lovedeepatsgit]

using System.ComponentModel;
using System.Diagnostics;
using System;
using System.IO;
using System.Text.Json;
using System.Threading.Tasks;
using Azure.Identity;
using Microsoft.Extensions.Configuration;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.Agents;
using Microsoft.SemanticKernel.ChatCompletion;
using Microsoft.SemanticKernel.Connectors.AzureOpenAI;
using Microsoft.Extensions.FileProviders;

public static class Program
{
public static async Task Main()
{
var configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddJsonFile($"appsettings.{Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")}.json", optional: true)
.Build();

    string AZURE_OPEN_AI_ENDPOINT = configuration["LlmModels:AiFoundryEndpoint"]!;
    string AZURE_OPEN_AI_KEY = configuration["LlmModels:AiFoundryApiKey"]!;
    string DEPLOYMENT_MODEL = configuration["LlmModels:GPT-4o-2"]!;

    IKernelBuilder builder = Kernel.CreateBuilder();

    builder.AddAzureOpenAIChatCompletion(DEPLOYMENT_MODEL!, AZURE_OPEN_AI_ENDPOINT!, AZURE_OPEN_AI_KEY!);

    Kernel kernel = builder.Build();

    var fileContent = await File.ReadAllTextAsync("Grimms-The-White-Snake.txt");

    var pdfContent = new FileReferenceContent("3_3-3_7_25_4th_gr_lesson_plan.pdf",innerContent: File.ReadAllBytes("3_3-3_7_25_4th_gr_lesson_plan.pdf"));
    var docxContent = new FileReferenceContent("September_2-6.docx", innerContent: File.ReadAllBytes("September_2-6.docx"));
    var excelContent = new FileReferenceContent("ELS_Pricing_Per_School.xlsx", innerContent: File.ReadAllBytes("ELS_Pricing_Per_School.xlsx"));

    Console.WriteLine(pdfContent);

    var itemCollection = new ChatMessageContentItemCollection
    {
        new TextContent("Provide the summary of this story:"),
        pdfContent
    };

    // Build a user message with the file reference
    var userMessage = new ChatMessageContent(
        AuthorRole.User,
        items : itemCollection
    );

    ChatCompletionAgent agent = new ChatCompletionAgent();

    try
    {
        var chatCompletionService = kernel.GetRequiredService<IChatCompletionService>();

        ChatHistory history = new ChatHistory();
        history.Add(userMessage);

        var response = await chatCompletionService.GetChatMessageContentsAsync(
            history,
            kernel: kernel
        );

        Console.WriteLine(response);
    }
    catch (Exception ex)
    {
        Console.WriteLine($"An error occurred: {ex.Message}");
    }

}

}

The above code provides this error, I am unable to understand how i can use this Filereferncecontent, is direct file uploads are supported or not, or I am missing something here.

[rogerbarreto]

@lovedeepatsgit Currently it is not supported, we will bring this capability soon. Thanks for your quesiton.

We created the issue below to track this feature request.

• .Net: Unsupported chat message content type 'Microsoft.SemanticKernel.FileReferenceContent'. #11411

[crickman]

Please refer to - #11396