[#wallet-DescriptorScriptPubKeyMan-UpdateWalletDescriptor]
= xref:wallet.adoc[wallet]::xref:wallet/DescriptorScriptPubKeyMan.adoc[DescriptorScriptPubKeyMan]::UpdateWalletDescriptor
:relfileprefix: ../../
:mrdocs:

Updates this spkm's descriptor, e.g. to add private keys or cache data.

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:util/Result.adoc[util::Result<void>]
UpdateWalletDescriptor(
    xref:wallet/WalletDescriptor.adoc[WalletDescriptor]& descriptor,
    xref:FlatSigningProvider.adoc[FlatSigningProvider] const& provider);
----

== Return Value

Success, or an error if the update is not possible.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *descriptor*
| The descriptor to update to.
| *provider*
| The signing provider supplying keys for the descriptor.
|===


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