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Comment: Published by Scroll Versions from space WBRIDGE and version 7.5.0
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Syntax
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set aString = anObject.classToJson()
set aString = anObject.classToJson(options)
Semantics

The operation classToJson() takes any object (anObject) and tries to map it to a JSON string aString. If this is not possible, an error is raised.
JSON types and

E2E

xUML types are mapped as listed in chapter jsonToClass.

Builder 7.5.0 You can hide attributes from being serialized by applying stereotype <<E2EPrivate>>. Refer to Hiding Attributes From Interfaces for more information.

SubstitutablesanObjectAny object. 
aStringTarget JSON document as String.
options

The optional parameter is an object of type ComposerOptions.

Its attribute is:

AttributeTypeDescriptionAllowed Values
compactBooleanBuilder 7.0.0-beta3 When compact is true, the JSON composer will generate compact JSON, otherwise it will generate pretty JSON. The default behavior of classToJson() (i.e. when called without options) is equivalent to compact=false.trueGenerate compact JSON.
falseGenerate pretty JSON.
keepNullsBooleanWhen keepNulls is true, attributes of anObject with NULL values will be rendered to the JSON object, otherwise they will be left out completely (see also chapter NULL Values). The default behavior of classToJson() (i.e. when called without options) is equivalent to keepNulls=false.trueRender NULL attributes to the JSON object.
falseLeave out NULL attributes.
Examples
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set addressAsJSONDocument = myAddress.classToJson();

...