[#BloombergLP-balm-MetricSampleGroup-begin]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/MetricSampleGroup.adoc[MetricSampleGroup]::begin
:relfileprefix: ../../../
:mrdocs:

Return an iterator positioned at the beginning of the sequence of `MetricRecord` objects referenced by this object.

== Synopsis

Declared in `<balm_metricsample.h>`

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


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