[#BloombergLP-ball-BroadcastObserver-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/BroadcastObserver.adoc[BroadcastObserver]::BroadcastObserver
:relfileprefix: ../../../
:mrdocs:

Create a broadcast observer having no registered observers&period; Optionally specify a `basicAllocator` used to supply memory&period; If `basicAllocator` is 0, the currently installed default allocator is used&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
BroadcastObserver(xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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