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Adds 55 articles (plus 76 code samples) spanning four new domains and two existing domains, extracted from the internal Business Central review-agent prompt. Content was filtered against BCQuality's remedial-knowledge premise: each article encodes BC-specific behaviour, a CodeCop rule, a platform API semantic, or an anti-false-positive guideline that a capable LLM would otherwise get wrong. New domains: - privacy (11 articles): DataClassification inheritance semantics, the StrSubstNo-defeats-Error-telemetry-classification pitfall, Privacy Notice consent for outgoing requests, anti-false-positives for pages and in-memory data. - upgrade (11 articles): upgrade-codeunit structure, upgrade-tag lifecycle and registration, protected DB reads, DataTransfer for large datasets, InitValue semantics, enum-ordinal preservation, obsolete-workflow, first-install detection. - ui (9 articles): caption capitalization by phrase type, tooltip voice, teaching-tip vs tooltip, tour-tip conventions, character limits, banned terms, ampersand handling, title punctuation. - style (11 articles): label-suffix convention, API page naming, temporary-variable prefix, label properties (Comment/Locked), named invocations, FieldCaption in user messages, OptionCaption pairing, Error-parameter passing, `this` keyword, required parentheses, file naming. Gaps in existing domains: - performance (11 articles): production-scale table catalog (no row counts, per internal-data concern), anti-false-positive for bounded tables, guard-before-Get ordering, redundant-Get-in-OnAfterGetRecord, LockTable in read-only helpers, combined ModifyAll passes, writes in OnAfterGetRecord, SetLoadFields heuristics, temporary-table regressions, FlowField source-table widening, MaintainSQLIndex disabling SIFT. - security (2 articles): environment-specific hardcoded GUIDs, ValidateTableRelation=false on user input. Intentionally excluded: specific production P95 row-count numbers (aggregated internal telemetry); rewritten as categorical guidance on which tables to treat as production-scale without publishing sizes. All articles use `bc-version: [all]` (applies to every BC version, per the new schema sentinel). Validator passes with 0 errors / 0 warnings.
26 lines
1.5 KiB
Markdown
26 lines
1.5 KiB
Markdown
---
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bc-version: [all]
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domain: privacy
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keywords: [telemetry, session-logmessage, dataclassification, dimensions, pii]
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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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# Specify DataClassification on every telemetry call and keep PII out of the message
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## Description
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`Session.LogMessage` accepts a DataClassification parameter that governs how the platform handles the logged content in the telemetry pipeline. Omitting it is a schema violation the platform cannot repair later. Embedding personal data — emails, names, phone numbers, addresses, filenames of user uploads — in the message string also defeats classification, because the pipeline sees opaque text and cannot selectively redact.
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## Best Practice
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Pass DataClassification explicitly on every Session.LogMessage call. Keep the message a generic, non-identifying sentence and place structured values in custom dimensions where the classification applies per key. Business identifiers (Customer No., Document No., Vendor No.) are acceptable as dimensions; free-text personal data is not.
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See sample: `specify-dataclassification-on-every-telemetry-call.good.al`.
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## Anti Pattern
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`Session.LogMessage('0001', StrSubstNo('Customer %1 processed', Customer.Name), Verbosity::Normal, DataClassification::SystemMetadata, TelemetryScope::All)` — the declared classification is SystemMetadata but the message carries CustomerContent. The payload is logged with the wrong tag; downstream consumers treat it as safe when it is not.
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See sample: `specify-dataclassification-on-every-telemetry-call.bad.al`.
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