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* Fix lifecycle compatibility guidance Correct high-confidence Business Central guidance and samples for upgrade tags, collectible errors, trigger semantics, obsoletion, events, interfaces, API contracts, and test transactions. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: e05a43e7-6448-4d67-9c73-798523f5d945 * Address guidance review findings Gate SecretText guidance to BC23 and clarify that the collectible-error sample intentionally emits a message-only blocking aggregate. Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com> Copilot-Session: e05a43e7-6448-4d67-9c73-798523f5d945 --------- Co-authored-by: Jesper Schulz-Wedde <jesper.schulzwedde@microsoft.com>
26 lines
1.6 KiB
Markdown
26 lines
1.6 KiB
Markdown
---
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bc-version: [all]
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domain: web-services
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keywords: [api-page, pagetype-api, apipublisher, apigroup, apiversion, entityname, entitysetname, sourcetable]
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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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# Declare API routing properties and an explicit stable version
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## Description
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An API page needs `APIPublisher`, `APIGroup`, `EntityName`, `EntitySetName`, and a backing `SourceTable` to define its routed entity. `APIVersion` is different: it is optional at the language level and defaults to `beta`. Omitting it therefore does not mean the page has no version; it publishes under the preview contract. A production integration that intends a stable route should set a `vX.Y` version explicitly rather than rely on that default.
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## Best Practice
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Declare the five routing/entity properties required by the API page and set `APIVersion` explicitly for a stable published contract, for example `'v1.0'`. Expose the record's fields inside a repeater under `area(content)`. Review missing routing metadata as a malformed API definition, but review a missing `APIVersion` as unintended publication under `beta`, not as an unpublished endpoint.
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See sample: `set-required-api-page-properties.good.al`.
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## Anti Pattern
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Leaving out `APIPublisher`, `APIGroup`, `EntityName`, `EntitySetName`, or `SourceTable` leaves the API definition incomplete. A subtler contract defect is declaring all of those but omitting `APIVersion`: the page is exposed as `beta`, which is valid runtime behavior but not the explicit stable route a production client expects.
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See sample: `set-required-api-page-properties.bad.al`.
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