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

Submit the transaction to the node's mempool and then relay to peers. Should be called after CreateTransaction unless you want to abort broadcasting the transaction.

== Synopsis

Declared in `<wallet/wallet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
CommitTransaction(
    xref:CTransactionRef.adoc[CTransactionRef] tx,
    std::optional<Txid> replaces_txid = std::nullopt,
    std::optional<std::string> comment = std::nullopt,
    std::optional<std::string> comment_to = std::nullopt,
    std::vector<std::string> const& messages = {},
    std::vector<std::string> const& payment_requests = {});
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *tx* [in]
| The transaction to be broadcast.
| *replaces_txid* [in]
| The txid of the transaction that this transaction replaces
| *comment* [in]
| The user's comment for this transaction
| *comment_to* [in]
| The comment for this transaction indicating where coins are sent to
| *messages* [in]
| The BIP 21 URI messages to attach to this transaction
| *payment_requests* [in]
| The serialized BIP 70 payment requests to attach to this transaction
|===


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