[#BloombergLP-balm-Metric-lookupCollector-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/Metric.adoc[Metric]::lookupCollector
:relfileprefix: ../../../
:mrdocs:

Return a collector for the specified `metricId`. Optionally specify a metrics `manager` used to provide the collector. If `manager` is 0, use the default metrics manager, if initialized; if `manager` is 0 and the default metrics manager has not been initialized, return 0. The behavior is undefined unless `metricId` is a valid metric id supplied by the `MetricsRegistry` of the indicated metrics manager.

== Synopsis

Declared in `<balm_metric.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/balm/Collector.adoc[Collector]*
lookupCollector(
    xref:BloombergLP/balm/MetricId.adoc[MetricId] const& metricId,
    xref:BloombergLP/balm/MetricsManager.adoc[MetricsManager]* manager = 0);
----


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