[#kernel-ChainstateManagerOpts-signals]
= xref:kernel.adoc[kernel]::xref:kernel/ChainstateManagerOpts.adoc[ChainstateManagerOpts]::signals
:relfileprefix: ../../
:mrdocs:

Sink for validation event notifications, or null if unused&period;

== Synopsis

Declared in `&lt;kernel&sol;chainstatemanager&lowbar;opts&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:ValidationSignals.adoc[ValidationSignals]* signals = &lcub;nullptr&rcub;;
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