[#BloombergLP-ball-UserFields-begin]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/UserFields.adoc[UserFields]::begin
:relfileprefix: ../../../
:mrdocs:

Return an iterator providing non‐modifiable access to the first element in the sequence of user field values maintained by this object, or the `end` iterator if this object is empty.

== Synopsis

Declared in `<ball_userfields.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/UserFields/ConstIterator.adoc[UserFields::ConstIterator]
begin() const;
----


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