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Fix(lesson 02): Replaced deprecated AgentThread with AgentSession for context management #588

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Fix(lesson 02): Replaced deprecated AgentThread with AgentSession for context management #588

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36b460c
Fix(lesson 02): Switch from AgentThread to AgentSession for context mgmt
marietta-a Jun 16, 2026
31bb0a0
Update the comments to consistently refer to sessions
marietta-a Jun 16, 2026
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18 changes: 9 additions & 9 deletions 02-explore-agentic-frameworks/code_samples/02-dotnet-agent-framework.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -93,23 +93,23 @@ What kind of trip would you like me to help you plan today?"
AIAgent agent = openAIClient
.GetChatClient(github_model_id)
.AsIChatClient()
.CreateAIAgent(
.AsAIAgent(
name: AGENT_NAME,
instructions: AGENT_INSTRUCTIONS,
tools: [AIFunctionFactory.Create(GetRandomDestination)]
);

// Create New Conversation Thread for Context Management
// Initialize a new conversation thread to maintain context across multiple interactions
// Threads enable the agent to remember previous exchanges and maintain conversational state
// Create New Session for Context Management.
// Initialize a new conversation session to maintain context across multiple interactions
// Sessions enable the agent to remember previous exchanges and maintain conversational state
// This is essential for multi-turn conversations and contextual understanding
AgentThread thread = agent.GetNewThread();
AgentSession session = await agent.CreateSessionAsync();

// Execute Agent: First Travel Planning Request
// Run the agent with an initial request that will likely trigger the random destination tool
// The agent will analyze the request, use the GetRandomDestination tool, and create an itinerary
// Using the thread parameter maintains conversation context for subsequent interactions
await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", thread))
// Using the session parameter maintains conversation context for subsequent interactions
await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", session))
{
await Task.Delay(10);
Console.Write(update);
Expand All @@ -120,8 +120,8 @@ What kind of trip would you like me to help you plan today?"
// Execute Agent: Follow-up Request with Context Awareness
// Demonstrate contextual conversation by referencing the previous response
// The agent remembers the previous destination suggestion and will provide an alternative
// This showcases the power of conversation threads and contextual understanding in .NET agents
await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", thread))
// This showcases the power of conversation sessions and contextual understanding in .NET agents
await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", session))
{
await Task.Delay(10);
Console.Write(update);
Expand Down