[#XOnlyPubKey-CheckTapTweak]
= xref:XOnlyPubKey.adoc[XOnlyPubKey]::CheckTapTweak
:relfileprefix: ../
:mrdocs:

Verify that this is a Taproot tweaked output point, against a specified internal key, Merkle root, and parity.

== Synopsis

Declared in `<pubkey.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
CheckTapTweak(
    xref:XOnlyPubKey.adoc[XOnlyPubKey] const& internal,
    xref:uint256.adoc[uint256] const& merkle_root,
    bool parity) const;
----

== Return Value

true if this point is the expected tweaked output point.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *internal*
| The internal x‐only public key.
| *merkle_root*
| The Merkle root of the script tree.
| *parity*
| The expected parity of the tweaked output point.
|===


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