[#BloombergLP-bdljsn-Json-insert-0f] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdljsn.adoc[bdljsn]::xref:BloombergLP/bdljsn/Json.adoc[Json]::insert :relfileprefix: ../../../ :mrdocs: Insert into the `JsonObject` held by this object members created from the specified `memberInitializers`, ignoring those whose keys already exist. Return a non‐`const` reference to this object. If `isNull()`, then the type is changed to object. The behavior is undefined unless `isObject()` or `isNull()`, and unless the keys of all members are valid UTF‐8 (see `bdlde::Utf8Util::isValid`). == Synopsis Declared in `<bdljsn_json.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:BloombergLP/bdljsn/Json.adoc[Json]& insert(std::initializer_list<JsonObject_MemberInitializer> memberInitializers); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#