[#PSBTOutput-unknown]
= xref:PSBTOutput.adoc[PSBTOutput]::unknown
:relfileprefix: ../
:mrdocs:

Unknown key‐value pairs preserved across round‐trips.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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std::map<std::vector<unsigned char>, std::vector<unsigned char>> unknown;
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