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Move Finance knowledge to the Microsoft-owned layer, add nine scoped rules with eighteen AL samples, and register bounded Finance review with complete paired evaluation coverage. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
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Copy complete posting dimension sets, not only shortcut projections
Description
When a journal line or posting document inherits dimensions, its Dimension Set ID identifies the complete combination of Dimension Set Entry rows. Global and shortcut dimensions expose selected dimensions, not the complete set; the eight shortcut dimensions are not a limit on set membership. Copying only these projections can leave the destination's posting dimensions unchanged or silently lose dimensions outside the shortcuts.
Best Practice
For an intentional complete dimension transfer, copy the source set ID and synchronize the destination's projections through its supported validation or dimension-management routine. On Gen. Journal Line, Validate("Dimension Set ID", SourceSetID) updates the two shortcut fields. Do not assume another table has the same validation trigger.
When line-specific dimensions must survive a header change, use the appropriate set-combination or delta routine instead of blindly replacing the line's entire set. Reading or filtering a known global dimension is legitimate; it is not a claim to enumerate every dimension. This rule owns dimension transfer through existing journal/document posting records, not custom-table or master Default Dimension wiring, which belongs to data modeling.
See sample: write-dimensions-as-dimension-set-entries.good.al.
Anti Pattern
A routine intended to copy all posting dimensions copies only global/shortcut codes, or assigns a set ID without synchronizing the destination's stored projections. Require evidence of a complete-transfer intent and inspect surrounding validation; an explicit change to one selected dimension or a read-only filter is not this defect.
See sample: write-dimensions-as-dimension-set-entries.bad.al.