[#BloombergLP-balm-Metric-lookupCollector-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/Metric.adoc[Metric]::lookupCollector
:relfileprefix: ../../../
:mrdocs:

Return a collector corresponding to the specified metric `category` and `name`&period;

== Synopsis

Declared in `&lt;balm&lowbar;metric&period;h&gt;`

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

== Description

Optionally specify a metrics `manager` used to provide the collector&period; If `manager` is 0, use the default metrics manager if initialized&semi; if `manager` is 0 and the default metrics manager has not been initialized, return 0&period; The behavior is undefined unless `category` and `name` are null&hyphen;terminated&period;

== Return Value

collector for `category` and `name`, or 0 if none is available

== Parameters

[cols="1,4"]
|===
| Name| Description
| *category*
| null&hyphen;terminated category name
| *name*
| null&hyphen;terminated metric name
| *manager*
| metrics manager used to provide the collector (optional)
|===


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