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Update AdditionalAIContext sample with simplified implementation (#4039)

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westey
2026-02-19 14:41:25 +00:00
committed by GitHub
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parent 3507b2c532
commit 93bcc4a9c2
1 changed files with 10 additions and 23 deletions
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dotnet/samples/GettingStarted/Agents/Agent_Step20_AdditionalAIContext/Program.cs
+10 -23
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@@ -92,9 +92,8 @@ namespace SampleApp
private static void SetTodoItems(AgentSession? session, List<string> items)
=> session?.StateBag.SetValue(nameof(TodoListAIContextProvider), items);
protected override ValueTask<AIContext> InvokingCoreAsync(InvokingContext context, CancellationToken cancellationToken = default)
protected override ValueTask<AIContext> ProvideAIContextAsync(InvokingContext context, CancellationToken cancellationToken = default)
{
var inputContext = context.AIContext;
var todoItems = GetTodoItems(context.Session);
StringBuilder outputMessageBuilder = new();
@@ -114,18 +113,15 @@ namespace SampleApp
return new ValueTask<AIContext>(new AIContext
{
Instructions = inputContext.Instructions,
Tools = (inputContext.Tools ?? []).Concat(new AITool[]
{
Tools =
[
AIFunctionFactory.Create((string item) => AddTodoItem(context.Session, item), "AddTodoItem", "Adds an item to the todo list."),
AIFunctionFactory.Create((int index) => RemoveTodoItem(context.Session, index), "RemoveTodoItem", "Removes an item from the todo list. Index is zero based.")
}),
],
Messages =
(inputContext.Messages ?? [])
.Concat(
[
new MEAI.ChatMessage(ChatRole.User, outputMessageBuilder.ToString()).WithAgentRequestMessageSource(AgentRequestMessageSourceType.AIContextProvider, this.GetType().FullName!)
])
[
new MEAI.ChatMessage(ChatRole.User, outputMessageBuilder.ToString())
]
});
}
@@ -154,9 +150,8 @@ namespace SampleApp
/// </summary>
internal sealed class CalendarSearchAIContextProvider(Func<Task<string[]>> loadNextThreeCalendarEvents) : AIContextProvider
{
protected override async ValueTask<AIContext> InvokingCoreAsync(InvokingContext context, CancellationToken cancellationToken = default)
protected override async ValueTask<AIContext> ProvideAIContextAsync(InvokingContext context, CancellationToken cancellationToken = default)
{
var inputContext = context.AIContext;
var events = await loadNextThreeCalendarEvents();
StringBuilder outputMessageBuilder = new();
@@ -166,17 +161,9 @@ namespace SampleApp
outputMessageBuilder.AppendLine($" - {calendarEvent}");
}
return new()
return new AIContext
{
Instructions = inputContext.Instructions,
Messages =
(inputContext.Messages ?? [])
.Concat(
[
new MEAI.ChatMessage(ChatRole.User, outputMessageBuilder.ToString()).WithAgentRequestMessageSource(AgentRequestMessageSourceType.AIContextProvider, this.GetType().FullName!)
])
.ToList(),
Tools = inputContext.Tools
Messages = [new MEAI.ChatMessage(ChatRole.User, outputMessageBuilder.ToString())]
};
}
}