[#CZMQAbstractNotifier-NotifyTransactionRemoval]
= xref:CZMQAbstractNotifier.adoc[CZMQAbstractNotifier]::NotifyTransactionRemoval
:relfileprefix: ../
:mrdocs:

Notifies of every mempool removal, except inclusion in blocks.

== Synopsis

Declared in `<zmq/zmqabstractnotifier.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
NotifyTransactionRemoval(
    xref:CTransaction.adoc[CTransaction] const& transaction,
    uint64_t mempool_sequence);
----

== Return Value

True on success, false on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *transaction*
| The transaction removed from the mempool.
| *mempool_sequence*
| The mempool sequence number of the event.
|===


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