What is Extended data type in D365 F&O
X++ Programming Language > Data Types in X++ Language > Primitive Data Types
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Answer:
Extended data type Use an extended data type element type to specify value-type application model elements that extend base enums, in addition to string, boolean, integer, real, date, time, UtcDateTime, int64, guid, and container value types. The AX 2012, D365 runtime uses the properties of an extended data type to generate a database schema and to render user interface controls. For example, you could specify an account number extended data type as an extension to a string value type that is limited to 10 characters in length, and that is described by using the Account number label when bound to a user interface text entry control. Extended data types also support inheritance. For example, an extended data type that defines an account number can be specialized by other extended data types to define customer and vendor account numbers. The specialized extended data type inherits properties, such as string length, label text, and Help text. You can override some of the properties on the specialized extended data type.
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