Refactor method to retrieve agent's response

[mpapas]

get_last_message_by_role() method sig corrected to reflect latest SDK version.

The method was failing in its original form.

[prmerger-automator]

@mpapas : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change.

[learn-build-service-prod]

Learn Build status updates of commit fba59b4:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/ai-foundry/agents/how-to/connected-agents.md	✅Succeeded

For more details, please refer to the build report.

[v-regandowner]

@aahill - Can you review the proposed changes?

IMPORTANT: When the changes are ready for publication, adding a #sign-off comment is the best way to signal that the PR is ready for the review team to merge.

#label:"aq-pr-triaged"
@MicrosoftDocs/public-repo-pr-review-team

[github-actions]

This pull request has been inactive for at least 14 days. If you are finished with your changes, don't forget to sign off. See the contributor guide for instructions.
Get Help
Docs Support Teams Channel
Resolve Merge Conflict

[v-dirichards]

@aahill Could you review this proposed update to your article and enter #sign-off in a comment if it's ready to merge?

Thanks!

[github-actions]

This pull request has been inactive for at least 14 days. If you are finished with your changes, don't forget to sign off. See the contributor guide for instructions.
Get Help
Docs Support Teams Channel
Resolve Merge Conflict

[Copilot]

Pull Request Overview

This PR updates the method signature for retrieving agent responses to align with the latest SDK version. The original method was failing due to an incorrect API call pattern.

• Updated get_last_message_by_role() method call to use the correct SDK interface
• Fixed method chaining issue by calling the method directly on the messages client
• Corrected parameter structure to match current SDK expectations

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[v-dirichards]

@aahill

Can you review this old PR and determine whether it needs to be closed or merged?

@MicrosoftDocs/public-repo-pr-review-team

[github-actions]

This pull request has been inactive for at least 14 days. If you are finished with your changes, don't forget to sign off. See the contributor guide for instructions.
Get Help
Docs Support Teams Channel
Resolve Merge Conflict