[#FeeRateEstimatorManager-TransactionRemovedFromMempool]
= xref:FeeRateEstimatorManager.adoc[FeeRateEstimatorManager]::TransactionRemovedFromMempool
:relfileprefix: ../
:mrdocs:

Record a transaction as it leaves the mempool.

== Synopsis

Declared in `<policy/fees/estimator_man.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
TransactionRemovedFromMempool(
    xref:CTransactionRef.adoc[CTransactionRef] const& tx,
    xref:MemPoolRemovalReason.adoc[MemPoolRemovalReason] reason,
    uint64_t mempool_sequence) override;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx* [in]
| The transaction being removed from the mempool.
| *reason* [in]
| Why the transaction was removed (unused).
| *mempool_sequence* [in]
| Mempool sequence number of the event (unused).
|===


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