missing OpenTelemetry information in foundry when using assistants API

[jcageman]

Hi,

I noticed that Foundry expects for example the following property in its query towards appinsights: "gen_ai.choice" == "assistant", but i don't see that back in the data i get in appinsights. I'm running an ASP.NET backend with .NET 8 if that might be relevant.
I do see gen_ai.operation.name and gen_ai.agent.id and the agent name though, so for sure tracing is working, but it seems incomplete. Anything I'm doing wrong or can try?

I'm using the following code:

        var options = new AssistantCreationOptions
        {
            Name = AssistantName,
            Instructions = prompt?.Instructions ?? DefaultInstructions
        };
        var assistant =
            await _client.CreateAssistantAsync(_chatModelDeployment, options);
        var agent = new OpenAIAssistantAgent(assistant, _client, plugins: _kernelPluginCollection);
        var agentThread = await GetOrCreateAgentThreadAsync(input.DepartmentId, input.ScenarioId, input.UserId);
        var message = new ChatMessageContent(AuthorRole.User, input.Message);

        var result = "";
        await foreach (ChatMessageContent response in agent.InvokeAsync(message, agentThread))
        {
            // Display response.
            result += response;
        }

builder.Services.
AddOpenTelemetry()
.WithTracing(tracingProviderBuilder =>
{
    tracingProviderBuilder
        .AddSource("Microsoft.SemanticKernel*")
        .AddAspNetCoreInstrumentation()
        .AddHttpClientInstrumentation();
})
.WithMetrics(meterProviderBuilder =>
{
    meterProviderBuilder
        .AddMeter("Microsoft.SemanticKernel*")
        .AddAspNetCoreInstrumentation()
        .AddHttpClientInstrumentation();
})
.UseAzureMonitor();