[#btck-KernelNotifications-WarningSetHandler]
= xref:btck.adoc[btck]::xref:btck/KernelNotifications.adoc[KernelNotifications]::WarningSetHandler
:relfileprefix: ../../
:mrdocs:

Called when a warning becomes active.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
WarningSetHandler(
    xref:btck/Warning.adoc[Warning] warning,
    std::string_view message);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *warning*
| The warning that was set.
| *message*
| A human‐readable description.
|===


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