[#MultiSigningProvider-GetTaprootBuilder]
= xref:MultiSigningProvider.adoc[MultiSigningProvider]::GetTaprootBuilder
:relfileprefix: ../
:mrdocs:

Look up a Taproot builder for an output key across all providers&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
GetTaprootBuilder(
    xref:XOnlyPubKey.adoc[XOnlyPubKey] const& output&lowbar;key,
    xref:TaprootBuilder.adoc[TaprootBuilder]& builder) const override;
----

== Return Value

True if the builder was found in any provider&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output&lowbar;key*
| The Taproot output key to retrieve the builder for&period;
| *builder*
| Set to the matching builder on success&period;
|===


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