With a Lex V2 bot, the Connect contact's language attribute must match the locale the bot was built with; this differs from Lex Classic, and the language is set with the Set voice block (Set language attribute) or a Set contact attributes block.

Checked 2026-09-25

Vendor
AWS
Product
Amazon Connect with Amazon Lex V2
Subsystem
language / locale
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Amazon Lex bots in Amazon Connect: source note amazon-connect-lex-bots-v2-language-must-match. WarmTransfer. https://warmtransfer.net/knowledge/claims/amazon-connect-lex-bots-v2-language-must-match

BibTeX

@misc{warmtransfer-claim-amazon-connect-lex-bots-v2-language-must-match,
  title  = {Amazon Lex bots in Amazon Connect: source note amazon-connect-lex-bots-v2-language-must-match},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/amazon-connect-lex-bots-v2-language-must-match},
  note   = {Source note amazon-connect-lex-bots-v2-language-must-match, checked 2026-09-25}
}

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