[#BloombergLP-balm-CollectorRepository-getDefaultCollector-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/CollectorRepository.adoc[CollectorRepository]::getDefaultCollector
:relfileprefix: ../../../
:mrdocs:

Return the address of the modifiable default collector for the specified `metricId`.

== Synopsis

Declared in `<balm_collectorrepository.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balm/Collector.adoc[Collector]*
getDefaultCollector(xref:BloombergLP/balm/MetricId.adoc[MetricId] const& metricId);
----

== Description

If a default collector for the identified metric does not already exist in the repository, create one, add it to the repository, and return its address.

== Return Value

address of the default collector for `metricId`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *metricId*
| identity of the metric whose default collector is returned
|===


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