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Microsoft Dynamics 365 | Integration, Dataverse...
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Struggling to fetch Data Entity Extensions in D365 F&O — MetadataSupport limitations?

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Objective:
Build a job that takes a Data Entity name as input and returns all its extensions present in the system.

What I’ve tried so far:

  • Explored MetadataSupport class thoroughly (via Microsoft Learn and runtime inspection)

  • Methods like:

    • GetDataEntityViewNames()

    • GetDataEntityView()

    • GetDataEntity()

  • These only return base entities, not extensions

Problem:
There doesn’t seem to be any public MetadataSupport method that exposes Data Entity Extensions, unlike:

  • Tables → GetTableExtensionsForTable()

  • Data Entities → No equivalent

Observations:

  • In AOT, extensions are visible under Data Entity Extensions (e.g. Entity.ExtensionName)

  • But this structure is not exposed via MetadataSupport APIs

  • Naming-based approaches are unreliable and not suitable for production-grade tools

Screenshot 2026-04-09 190311.png
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