[#BloombergLP-bslstl-StopCallback_CallbackStorage-05-callback]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/StopCallback_CallbackStorage-05.adoc[StopCallback_CallbackStorage<t_CALLBACK, true>]::callback
:relfileprefix: ../../../
:mrdocs:

Return an lvalue referring to the callback.

== Synopsis

Declared in `<bslstl_stoptoken.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bsl::remove_reference<t_CALLBACK>::type&
callback() const;
----


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