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Best Practice: Table Extension Framework (SysExtensionSerializer...)

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Posted on by Anthony Blake

2,876 Super User 2025 Season 2

In D365FO, is the Table Extension Framework (SysExtensionSerializer…) introduced in AX 2012 still recommended when adding a lot of fields to a standard table?

I see it still exists, and I have it working using only extensions and no overlayering, but is it still necessary to use this when adding say 20 fields to a standard table? If not then why?

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Frantisek 125 on at

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RE: Best Practice: Table Extension Framework (SysExtensionSerializer...) in D365FO

I think all you need to be answered is here:

community.dynamics.com/.../691769

but in short:

- you can add 20 fields but it depends if it is necessary. (another table with foreign key?)

- you can still use SysExtensionSerializer but you dont have to

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