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Naming Conventions: Prefixes [AX 2012]

Updated: September 7, 2010

Applies To: Microsoft Dynamics AX 2012 R3, Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012

A subject area specific application object is prefixed with the name of the subject area the object belongs to, for example Cust*, Invent*, Ledger*, Proj*, Vend*.






An application area object is prefixed with the name of the application area the object belongs to.




DEL_ is a special prefix. It is an abbreviation for Deleted and is used for application objects that will be deleted. After an object is prefixed with DEL_, it will be supported for a release and then deleted in the next version of the product.

DEL_ tables and fields are necessary to allow data update. Such objects allow access to old data that must be migrated to a new location.

When an object with a DEL_ prefix is introduced, the update mechanisms handle changes in the standard application, for example by moving fields and X++ code to the table that replaces the one with the DEL_ prefix. But, if you have written X++ code that references an application object that has been given a DEL_ prefix, you have to update these references yourself.

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