[#BloombergLP-bdljsn-Json-operator_subs-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/Json.adoc[Json]::operator[]
:relfileprefix: ../../../
:mrdocs:

Return a reference providing modifiable access to the element at the specified `index` in the `JsonArray` held by this object. The behavior is undefined unless `isArray()` returns true and `index < theArray().size()`.

== Synopsis

Declared in `<bdljsn_json.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdljsn/Json.adoc[Json]&
operator[](std::size_t index);
----


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