[#BloombergLP-bdld-DatumMapBuilder-pushBack]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumMapBuilder.adoc[DatumMapBuilder]::pushBack
:relfileprefix: ../../../
:mrdocs:

Append an entry with the specified `key` and `value`.

== Synopsis

Declared in `<bdld_datummapbuilder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
pushBack(
    xref:BloombergLP/bslstl/StringRef.adoc[bslstl::StringRef] const& key,
    xref:BloombergLP/bdld/Datum.adoc[Datum] const& value);
----

== Description

Append the entry with the specified `key` and the specified `value` to the `Datum` map being build by this object. The behavior is undefined if `value` needs dynamic memory and was allocated using a different allocator than the one used to construct this object. The behavior is also undefined if `commit` or `sortAndCommit` has already been called on this object.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| key of the map entry
| *value*
| value of the map entry
|===


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