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

Lock an output so it is not selected for spending.

== Synopsis

Declared in `<wallet/wallet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7ff3720ef8d8), requires_capability(0x7ff365f1f8d8), requires_capability(0x7ff35de5e288), requires_capability(0x7ff35efe2d68), requires_capability(0x7ff366fcf348)]]
bool
LockCoin(
    xref:COutPoint.adoc[COutPoint] const& output,
    bool persist);
----

== Return Value

true if the lock was recorded.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| The outpoint to lock.
| *persist*
| Whether to persist the lock to disk.
|===


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