[#node-KernelNotifications-TipBlock]
= xref:node.adoc[node]::xref:node/KernelNotifications.adoc[KernelNotifications]::TipBlock
:relfileprefix: ../../
:mrdocs:

The block for which the last blockTip notification was received. It's first set when the tip is connected during node initialization. Might be unset during an early shutdown.

== Synopsis

Declared in `<node/kernel_notifications.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7f2e33c637b8)]]
std::optional<uint256>
TipBlock();
----

== Return Value

The current tip block hash, or std::nullopt if it has not been set.


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