[#Transport-Info-session_id]
= xref:Transport.adoc[Transport]::xref:Transport/Info.adoc[Info]::session&lowbar;id
:relfileprefix: ../../
:mrdocs:

BIP324 session id, if the connection uses v2 transport&period;

== Synopsis

Declared in `&lt;net&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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std::optional&lt;uint256&gt; session&lowbar;id;
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