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bcquality/microsoft/knowledge/privacy/featuretelemetry-logerror-implicit-errortext.md
Jesper Schulz-Wedde e0ebdd35c7
Add lifecycle error and privacy knowledge (#99) 
* Add lifecycle error and privacy knowledge

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

Copilot-Session: 95c06ad8-377d-4faa-8d07-06300b1c81ec

* Fix lifecycle privacy review findings

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: a26cd6d6-ff49-433e-bc53-f645c455ebdd

* Refine lifecycle privacy retrieval

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

Copilot-Session: 95c06ad8-377d-4faa-8d07-06300b1c81ec

* Make review gates explicit

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

Copilot-Session: 95c06ad8-377d-4faa-8d07-06300b1c81ec

---------

Co-authored-by: Jesper Schulz-Wedde <jesper.schulzwedde@microsoft.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
2026-07-14 12:52:56 +02:00

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bc-version domain keywords technologies countries application-area
18..
privacy
featuretelemetry
logerror
errortext
errorcallstack
alerrortext
alerrorcallstack
customdimensions
al
w1
all

FeatureTelemetry.LogError emits more than caller custom dimensions

Description

FeatureTelemetry.LogError emits its ErrorText as the telemetry message and adds it as alErrorText. The overloads with ErrorCallStack also add alErrorCallStack. These dimensions are produced in addition to the caller-supplied CustomDimensions dictionary, and the Feature Telemetry implementation sends the event as SystemMetadata.

Best Practice

Review the dedicated error arguments as telemetry payload. Capture GetLastErrorText(true) when scrubbed platform error text is sufficient, and pass GetLastErrorCallStack() only as a call stack. Keep custom dimensions non-personal too.

See sample: featuretelemetry-logerror-implicit-errortext.good.al.

Anti Pattern

Approving a LogError call because its explicit dictionary contains only safe values while it passes unsanitized GetLastErrorText() or arbitrary context through ErrorText or ErrorCallStack. Those arguments become telemetry dimensions outside the dictionary.

See sample: featuretelemetry-logerror-implicit-errortext.bad.al.