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

Resets all fields to their default null state.

== Synopsis

Declared in `<wallet/walletdb.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
SetNull();
----


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