[#FlatSigningProvider-GetAllMuSig2ParticipantPubkeys]
= xref:FlatSigningProvider.adoc[FlatSigningProvider]::GetAllMuSig2ParticipantPubkeys
:relfileprefix: ../
:mrdocs:

Return all known MuSig2 aggregate pubkeys and their participants&period;

== Synopsis

Declared in `&lt;script&sol;signingprovider&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
std::map&lt;CPubKey, std::vector&lt;CPubKey&gt;&gt;
GetAllMuSig2ParticipantPubkeys() const override;
----

== Return Value

A map from aggregate pubkey to its participant pubkeys&period;


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