[#wallet-CHDChain-nExternalChainCounter]
= xref:wallet.adoc[wallet]::xref:wallet/CHDChain.adoc[CHDChain]::nExternalChainCounter
:relfileprefix: ../../
:mrdocs:

Counter for the next external chain child key index.

== Synopsis

Declared in `<wallet/walletdb.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint32_t nExternalChainCounter;
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