[#MuSig2AggregatePubkeys-09]
= MuSig2AggregatePubkeys
:mrdocs:

Compute the full aggregate pubkey from the given participant pubkeys in their current order.

== Synopsis

Declared in `<musig.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<CPubKey>
MuSig2AggregatePubkeys(std::vector<CPubKey> const& pubkeys);
----

== Return Value

The aggregate public key, or std::nullopt if aggregation fails.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pubkeys*
| The participant public keys, in the order they should be aggregated.
|===


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