[#wallet-CoinSelectionParams-change_output_size]
= xref:wallet.adoc[wallet]::xref:wallet/CoinSelectionParams.adoc[CoinSelectionParams]::change&lowbar;output&lowbar;size
:relfileprefix: ../../
:mrdocs:

Size of a change output in bytes, determined by the output type&period;

== Synopsis

Declared in `&lt;wallet&sol;coinselection&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int change&lowbar;output&lowbar;size = 0;
----


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