Script format
Amazon Lex V2 supports the following ECMAScript features for defining grammars.
Amazon Lex V2 supports the following ECMAScript features when specifying
tags in the grammar. tag-format must be sent to
semantics/1.0 when ECMAScript tags are used in the
grammar. For more information, see the ECMA-262 ECMAScript 2021 language specification
<grammar version="1.0"
xmlns="http://www.w3.org/2001/06/grammar"
xml:lang="en-US"
tag-format="semantics/1.0"
root="card_number">Topics
This document contains material from the ECMAScript standard
(available at
https://www.ecma-international.org/publications-and-standards/standards/ecma-262/
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