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

Remove the specified `observer` from the registry of this multiplexing observer&period; Return 0 if `observer` is non&hyphen;null and was registered with this multiplexing observer, and a non&hyphen;zero value (with no effect) otherwise&period; Henceforth, `observer` will no longer receive log records from this multiplexing observer&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
deregisterObserver(xref:BloombergLP/ball/Observer.adoc[Observer]* observer);
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
