Sorry, your browser does not support JavaScript or JavaScript is disabled. Please enable JavaScript or use another browser to have a better experience.
An XData block is a named unit of data defined within the class, typically for use by a method in the class. These have many possible applications.
See XData Block Syntax and Keywords in this reference.
See also:
Defining and Using XData Blocks in Defining and Using Classes
Adding XData Blocks to a Class in Using Studio