[#BloombergLP-bdljsn-Json-makeNull]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/Json.adoc[Json]::makeNull
:relfileprefix: ../../../
:mrdocs:

Create an instance of type `JsonNull` in this object. This method first destroys the current value held by this object.

== Synopsis

Declared in `<bdljsn_json.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
makeNull();
----


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