[#TxDocOptions-fee_doc]
= xref:TxDocOptions.adoc[TxDocOptions]::fee&lowbar;doc
:relfileprefix: ../
:mrdocs:

Customize the fee field&apos;s description (only meaningful when fee is true)

== Synopsis

Declared in `&lt;rpc&sol;rawtransaction&lowbar;util&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional&lt;std::string&gt; fee&lowbar;doc = &lcub;&rcub;;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
