[#BloombergLP-balxml-ElementAttribute-prefix]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/ElementAttribute.adoc[ElementAttribute]::prefix
:relfileprefix: ../../../
:mrdocs:

Return the namespace prefix for this attribute.

== Synopsis

Declared in `<balxml_elementattribute.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char const*
prefix() const;
----

== Description

Return the value of `prefix` specified at the last call to `reset` or the constructor, if non‐zero, else return a copy of the prefix portion of the qualified name. More precisely, return a copy of the portion of `qualifiedName()` up to, but not including, the colon. Return an empty string if the qualified name has no colon or if `prefixStack()` returns zero.

== Return Value

attribute namespace prefix, or empty if none


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