[#BloombergLP-balm-MetricRegistry-findId]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/MetricRegistry.adoc[MetricRegistry]::findId
:relfileprefix: ../../../
:mrdocs:

Find the metric id for `category` and `name` in this registry.

== Synopsis

Declared in `<balm_metricregistry.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balm/MetricId.adoc[MetricId]
findId(
    char const* category,
    char const* name) const;
----

== Description

Find the specified null‐terminated strings `category` and `name` in this registry. Return the `balm::MetricId` object corresponding to the metric having the `category` and `name`, if found, or an invalid metric id if no such metric has been registered (i.e., `isValid` will return `false`).

== Return Value

metric id for `category` and `name`, or an invalid id if not registered

== Parameters

[cols="1,4"]
|===
| Name| Description
| *category*
| null‐terminated category name
| *name*
| null‐terminated metric name
|===


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