edit example query so it works

[tjfarringer]

What does this PR do? What is the motivation?

Updating this so customers can use the example query in the event explorer

Merge instructions

Merge readiness:

• Ready for merge

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Additional notes

[github-actions]

Preview links (active after the build_preview check completes)

Modified Files

• https://docs-staging.datadoghq.com/talmadge.farringer/ect-3243/integrations/faq/list-of-api-source-attribute-value

[maycmlee]

Thank @tjfarringer! Feel free to /merge if it's good to go.

[tjfarringer]

/merge

[dd-devflow]

View all feedbacks in Devflow UI.

2025-05-05 20:15:49 UTC ℹ️ Start processing command /merge

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2025-05-05 20:15:55 UTC ℹ️ MergeQueue: waiting for PR to be ready

This merge request is not mergeable yet, because of pending checks/missing approvals. It will be added to the queue as soon as checks pass and/or get approvals.
Note: if you pushed new commits since the last approval, you may need additional approval.
You can remove it from the waiting list with /remove command.

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2025-05-05 20:28:10 UTC ℹ️ MergeQueue: merge request added to the queue

The expected merge time in master is approximately 20m (p90).

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2025-05-05 20:32:43 UTC ℹ️ MergeQueue: The merge request ahead of this one was cancelled, retrying soon

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2025-05-05 20:50:38 UTC ℹ️ MergeQueue: This merge request was merged