[#CreateMuSig2SyntheticXpub]
= CreateMuSig2SyntheticXpub
:mrdocs:

Construct the BIP 328 synthetic xpub for a pubkey

== Synopsis

Declared in `<musig.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CExtPubKey.adoc[CExtPubKey]
CreateMuSig2SyntheticXpub(xref:CPubKey.adoc[CPubKey] const& pubkey);
----

== Return Value

The BIP 328 synthetic extended public key.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pubkey*
| The aggregate public key to wrap in a synthetic extended public key.
|===


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