[#BloombergLP-bdlm-MetricsRegistry-CallbackHandle]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlm.adoc[bdlm]::xref:BloombergLP/bdlm/MetricsRegistry.adoc[MetricsRegistry]::CallbackHandle
:relfileprefix: ../../../
:mrdocs:

This `typedef` is an alias for a metrics registration callback handle.

== Synopsis

Declared in `<bdlm_metricsregistry.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef xref:BloombergLP/bdlm/MetricsAdapter/CallbackHandle.adoc[MetricsAdapter::CallbackHandle] CallbackHandle;
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