[#ANNEX_TAG]
= ANNEX&lowbar;TAG
:mrdocs:

Tag for the input annex&period;

== Synopsis

Declared in `&lt;script&sol;script&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr unsigned int ANNEX&lowbar;TAG = 0x50;
----

== Description

If there are at least two witness elements for a transaction input, and the first byte of the last element is 0x50, this last element is called the annex, and has meanings independent of the script&period;


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