JSON support Genero BDL supports JSON data manipulation. What is JSON? JSON (JavaScript Object Notation) is a well known lightweight data-interchange format for JavaScript. JSON utility classes Genero BDL provides utility classes to manipulate JSON formatted data. BDL/JSON conversion basics When the data structures and member names match, Genero BDL variables can be converted from/to JSON data with the util.JSON* utility classes. BDL names and JSON element names To identify elements, JSON standards use different format as Genero BDL variable names. NULLs and empty structures Unlike Genero BDL, JSON distinguishes NULL, empty and undefined elements. BDL to JSON type conversion rules Specific type conversion rules apply when converting a BDL variable to JSON. JSON to BDL type conversion rules Specific type conversion rules apply when parsing a JSON string to fill a BDL variable. Related concepts Records Arrays