[#btck_NotifyHeaderTip]
= btck&lowbar;NotifyHeaderTip
:mrdocs:

Callback invoked when a new best header tip is seen during sync&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef void(* btck&lowbar;NotifyHeaderTip)(void*, xref:btck_SynchronizationState.adoc[btck&lowbar;SynchronizationState], int64&lowbar;t, int64&lowbar;t, int);
----


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