[#wallet-CHDChain-m_next_external_index]
= xref:wallet.adoc[wallet]::xref:wallet/CHDChain.adoc[CHDChain]::m&lowbar;next&lowbar;external&lowbar;index
:relfileprefix: ../../
:mrdocs:

Next external index in the keypool to be used&period; Memory only&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int64&lowbar;t m&lowbar;next&lowbar;external&lowbar;index = &lcub;0&rcub;;
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[.small]#Created with https://www.mrdocs.com[MrDocs]#
