[#common-PSBTFillOptions-sighash_type]
= xref:common.adoc[common]::xref:common/PSBTFillOptions.adoc[PSBTFillOptions]::sighash_type
:relfileprefix: ../../
:mrdocs:

The sighash type to use when signing (if PSBT does not specify).

== Synopsis

Declared in `<common/types.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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std::optional<int> sighash_type = {std::nullopt};
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