[#wallet-DatabaseOptions-require_format]
= xref:wallet.adoc[wallet]::xref:wallet/DatabaseOptions.adoc[DatabaseOptions]::require_format
:relfileprefix: ../../
:mrdocs:

Require a specific database format, if set.

== Synopsis

Declared in `<wallet/db.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::optional<DatabaseFormat> require_format;
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