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Ben Thomas c79f886dc3 .NET: Align Foundry sample environment variables and credentials. (#6422)
* dotnet: refresh Foundry sample guidance

Carry forward the still-relevant sample guidance and Foundry-specific documentation fixes from the old stacked sample migration work, adapted to the current repo layout and policy.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dotnet: rename Foundry sample env vars

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dotnet: remove persistent provider sample

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dotnet: drop SAMPLE_GUIDELINES.md from this PR

Defer the guidelines doc and its cross-link to a follow-on PR to avoid broken-link failures in CI.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dotnet: add DefaultAzureCredential warning to remaining samples

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* dotnet: address PR review feedback

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
c79f886dc3 ยท 2026-06-11 17:26:00 +00:00
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Evaluation - Conversation Splits

This sample demonstrates multi-turn conversation evaluation with different split strategies.

What this sample demonstrates

  • LastTurn (default): Evaluates whether the last response was good given all prior context
  • Full: Evaluates whether the entire conversation trajectory served the original request
  • PerTurnItems: Splits a conversation into one EvalItem per user turn for independent evaluation
  • Building multi-turn conversations with FunctionCallContent and FunctionResultContent
  • Using ConversationSplitters.LastTurn and ConversationSplitters.Full
  • Using EvalItem.PerTurnItems() to decompose a conversation

Prerequisites

  • .NET 10 SDK or later
  • Azure authentication available to DefaultAzureCredential (for local development, run az login)

Set the following environment variables:

$env:FOUNDRY_PROJECT_ENDPOINT="https://your-foundry-service.services.ai.azure.com/api/projects/your-foundry-project"
$env:FOUNDRY_MODEL="gpt-4o-mini"

Run the sample

cd dotnet/samples/05-end-to-end/Evaluation
dotnet run --project .\Evaluation_ConversationSplits