[#bsl-vector-0b-front-0c]
= xref:bsl.adoc[bsl]::xref:bsl/vector-0b.adoc[vector<UserFieldValue>]::front
:relfileprefix: ../../
:mrdocs:

Return a reference providing modifiable access to the first element in this vector. The behavior is undefined unless this vector is not empty.

== Synopsis

Declared in `<bslstl_vector.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:bsl/vectorBase-06a.adoc[reference]
front();
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