Update control-flow-azure-function-activity.md

[supreeth-v]

Updated the doc to have Service Principal auth and fixed couple of typos

[prmerger-automator]

@supreeth-v : 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 4ecd80d:

✅ Validation status: passed

File	Status	Preview URL	Details
articles/data-factory/control-flow-azure-function-activity.md	✅Succeeded

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[v-dirichards]

@nabhishek

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

[v-dirichards]

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

Thanks!

[v-dirichards]

@nabhishek

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

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

[v-dirichards]

I sent a Teams message to the content owner today.

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

[v-dirichards]

I sent an email to the content owner today.

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

[kromerm]

#sign-off

[prmerger-automator]

Invalid command: '#sign-off'. Only the assigned author of one or more file in this PR can sign off. @nabhishek

[kromerm]

These changes are good, we can approve it but it looks like Abhishek @nabhishek needs to approve it

[v-dirichards]

Hi @kromerm - Thanks for your review. In the public repo, pull requests should be signed off by the author, another member of the content team, or a PM.

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@nabhishek Could you take a look? Thanks!

[v-ccolin]

I sent an email to the content owner today.

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

[ttorble]

Responded to email from author requesting confirmation that the PR can be merged.

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

[Copilot]

Pull Request Overview

This PR updates the Azure Function activity documentation to add Service Principal authentication support and fixes several typos. The changes improve the documentation's accuracy and provide users with an additional authentication option.

• Added Service Principal as a supported authentication method
• Fixed capitalization of "Anonymous" in authentication values and notes
• Updated resource ID description to include Service Principal authentication

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