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

Return the number of registered metrics collection callbacks.

== Synopsis

Declared in `<bdlm_metricsregistry.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
numRegisteredCollectionCallbacks() const;
----


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