[#ANNEX_TAG]
= ANNEX_TAG
:mrdocs:

Tag for the input annex.

== Synopsis

Declared in `<script/script.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr unsigned int ANNEX_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.


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