[#BloombergLP-ball-LoggerManager-deregisterObserver]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/LoggerManager.adoc[LoggerManager]::deregisterObserver
:relfileprefix: ../../../
:mrdocs:

Remove the observer having the specified `observerName` from the registry of observers maintained by this logger manager&period; Return 0 if the observer having `observerName` was successfully deregistered from this logger manager, and a non&hyphen;zero value (with no effect) otherwise&period; Henceforth, the observer that had `observerName` will no longer receive log records published by this logger manager&period;

== Synopsis

Declared in `&lt;ball&lowbar;loggermanager&period;h&gt;`

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


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