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

Look up a Taproot builder for an output key across all providers.

== Synopsis

Declared in `<script/signingprovider.h>`

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

== Return Value

True if the builder was found in any provider.

== Parameters

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


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