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26 lines
1.4 KiB
Markdown
26 lines
1.4 KiB
Markdown
---
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bc-version: [18..]
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domain: privacy
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keywords: [featuretelemetry, logerror, errortext, errorcallstack, alerrortext, alerrorcallstack, customdimensions]
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technologies: [al]
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countries: [w1]
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application-area: [all]
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---
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# FeatureTelemetry.LogError emits more than caller custom dimensions
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## Description
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`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`.
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## Best Practice
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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.
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See sample: [`featuretelemetry-logerror-implicit-errortext.good.al`](featuretelemetry-logerror-implicit-errortext.good.al).
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## Anti Pattern
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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.
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See sample: [`featuretelemetry-logerror-implicit-errortext.bad.al`](featuretelemetry-logerror-implicit-errortext.bad.al).
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