[#CTxMemPool-Expire]
= xref:CTxMemPool.adoc[CTxMemPool]::Expire
:relfileprefix: ../
:mrdocs:

Expire all transaction (and their dependencies) in the mempool older than time. Return the number of removed transactions.

== Synopsis

Declared in `<txmempool.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[requires_capability(0x7ff37b420ae8), requires_capability(0x7ff376fd8498), requires_capability(0x7ff38def76b8), requires_capability(0x7ff3640f86c8), requires_capability(0x7ff3920f89b8), requires_capability(0x7ff37f5caad8), requires_capability(0x7ff37d011d58), requires_capability(0x7ff374c15568)]]
int
Expire(std::chrono::seconds time);
----

== Return Value

The number of removed transactions.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *time*
| Transactions that entered the mempool before this time are expired.
|===


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