[#CChainParams-SigNetOptions-challenge]
= xref:CChainParams.adoc[CChainParams]::xref:CChainParams/SigNetOptions.adoc[SigNetOptions]::challenge
:relfileprefix: ../../
:mrdocs:

Optional custom signet challenge script&period;

== Synopsis

Declared in `&lt;kernel&sol;chainparams&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional&lt;std::vector&lt;uint8&lowbar;t&gt;&gt; challenge = &lcub;&rcub;;
----


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