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Ben Thomas
fbb4c867dd
Three regressions surfaced when running a declarative workflow as a Foundry hosted agent. Together they caused every condition group to fall through to elseActions and the raw agent JSON to leak to the caller. 1. AgentProviderExtensions.InvokeAgentAsync forced autoSend to true whenever the agent ran on the workflow conversation, which overrode the explicit autoSend: false declared in workflow.yaml and streamed the raw structured-output JSON straight to the user. Honor the caller-supplied autoSend instead. 2. IWorkflowContextExtensions.ReadState / QueueStateUpdateAsync / QueueStateResetAsync took the variable name and namespace alias directly from PropertyPath.VariableName / NamespaceAlias. Against Microsoft.Agents.ObjectModel 2026.2.4.1 those properties return null for a dotted reference such as `Local.Triage` even when SegmentCount == 2 and IsValid == true, so every assignment threw ArgumentNullException via Throw.IfNull. Fall back to Segments() to reconstruct the name and alias when the parser returns null. 3. The same ObjectModel version no longer recognizes the user-facing `Local` scope alias: VariableScopeNames.IsValidName(`Local`) returns false and GetNamespaceFromName(`Local`) returns Unknown, so the declarative interpreter's IsManagedScope check fails and the State.Set call is silently skipped. Translate the `Local` alias to its canonical `Topic` form before forwarding to QueueStateUpdateAsync; WorkflowFormulaState.Bind continues to expose it as `Local` to PowerFx. Verified end-to-end against a deployed Foundry hosted agent: the declarative triage workflow now routes Technical / Billing / General inputs correctly and only the autoSend-eligible messages reach the caller. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
fbb4c867dd
·
2026-05-15 14:17:20 -07:00
History
Get Started with Microsoft Agent Framework for C# Developers
Quickstart
Basic Agent - .NET
using Azure.AI.OpenAI;
using Azure.Identity;
using Microsoft.Agents.AI;
using OpenAI.Responses;
var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")!;
var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME")!;
var agent = new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential())
.GetResponsesClient(deploymentName)
.AsAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");
Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));
Examples & Samples
- Getting Started with Agents: basic agent creation and tool usage
- Agent Provider Samples: samples showing different agent providers
- Workflow Samples: advanced multi-agent patterns and workflow orchestration