[#wallet-WalletStorage-WithEncryptionKey]
= xref:wallet.adoc[wallet]::xref:wallet/WalletStorage.adoc[WalletStorage]::WithEncryptionKey
:relfileprefix: ../../
:mrdocs:

Pass the encryption key to cb().

== Synopsis

Declared in `<wallet/scriptpubkeyman.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
WithEncryptionKey(std::function<bool(xref:wallet/CKeyingMaterial.adoc[CKeyingMaterial] const&)> cb) const = 0;
----

== Return Value

The value returned by cb, or false if the key is unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cb*
| Callback invoked with the wallet's master encryption key.
|===


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