[#wallet-CWallet-TopUpKeyPool]
= xref:wallet.adoc[wallet]::xref:wallet/CWallet.adoc[CWallet]::TopUpKeyPool
:relfileprefix: ../../
:mrdocs:

Refill the keypool up to the target size.

== Synopsis

Declared in `<wallet/wallet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
TopUpKeyPool(unsigned int kpSize = 0);
----

== Return Value

true if the keypool was topped up.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *kpSize*
| Target keypool size, or 0 to use the configured size.
|===


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