[#ValidationSignals-ActiveTipChange]
= xref:ValidationSignals.adoc[ValidationSignals]::ActiveTipChange
:relfileprefix: ../
:mrdocs:

Fire the ActiveTipChange event to all subscribers.

== Synopsis

Declared in `<validationinterface.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
ActiveTipChange(
    xref:CBlockIndex.adoc[CBlockIndex] const& new_tip,
    bool is_ibd);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *new_tip*
| The new active chain tip.
| *is_ibd*
| Whether the node is still in initial block download.
|===


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