[#BloombergLP-balxml-PrefixStack-pushPrefix]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/PrefixStack.adoc[PrefixStack]::pushPrefix
:relfileprefix: ../../../
:mrdocs:

Map the specified `namespaceUri` to the specified `prefix` and return the namespace Id. New mapping eclipses previous mapping.

== Synopsis

Declared in `<balxml_prefixstack.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
pushPrefix(
    std::string_view const& prefix,
    std::string_view const& namespaceUri);
----


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