[#BloombergLP-balb-ControlManager-deregisterHandler]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/ControlManager.adoc[ControlManager]::deregisterHandler
:relfileprefix: ../../../
:mrdocs:

Deregister the handler previously registered for the specified prefix&period;

== Synopsis

Declared in `&lt;balb&lowbar;controlmanager&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
deregisterHandler(std::string&lowbar;view const& prefix);
----

== Description

Return 0 on success or a non&hyphen;zero value otherwise&period;

== Return Value

0 on success, or a non&hyphen;zero value otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *prefix*
| case&hyphen;insensitive message prefix to deregister
|===


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