

# Latest features
<a name="latest-features"></a>

This topic provides information about the latest features that Amazon Lex V2 offers:

## AMAZON.BedrockAgentIntent for connecting with Bedrock Agents and Knowledge Bases
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Amazon Lex V2 now provides the AMAZON.BedrockAgentIntent built-in intent to seamlessly connect your bot with Amazon Bedrock Agents and Knowledge Bases for enhanced conversational AI capabilities.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/built-in-intent-bedrockagent.html)

## Assisted NLU for improved intent classification and slot resolution
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Amazon Lex V2 now offers Assisted NLU to improve intent classification and slot resolution using Large Language Models (LLMs) while staying within your bot's configured intents and slots.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/assisted-nlu.html)

## Custom vocabulary support for 17 additional languages
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Amazon Lex V2 now supports custom vocabularies in 17 additional languages to improve speech recognition accuracy.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/vocab.html)

## QinConnect built-in intent for Amazon Connect integration
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Amazon Lex V2 now provides the QinConnect built-in intent to seamlessly connect your bot with Amazon Connect for enhanced contact center experiences.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/building-intents-built-in.html)

## AMAZON.Currency and AMAZON.Confirmation built-in slots now support all locales
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Amazon Lex V2 now supports AMAZON.Currency and AMAZON.Confirmation built-in slot types in all locales, expanding beyond the previously supported English and Spanish locales.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/building-slot-types-built-in.html)

## Enhanced QnA intent with Bedrock Knowledge Base and Guardrails
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The QnA built-in intent for generative AI now supports Bedrock Knowledge Base and Guardrails for more secure and accurate responses.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/built-in-intent-qna.html)

## Support for Anthropic Claude 3 models
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The QnA built-in intent for generative AI now supports Anthropic Claude 3 Haiku and Anthropic Claude 3 Sonnet models for enhanced conversational capabilities.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/generative-features.html)

## Global resiliency for bot replication across regions
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Amazon Lex V2 now offers Global resiliency to replicate your bot in a second AWS region for improved availability and disaster recovery.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/global-resiliency.html)

## Regional support for AWS GovCloud (US-West)
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Amazon Lex V2 is now available in AWS GovCloud (US-West).
+ [Amazon Lex endpoints and quotas](https://docs.aws.amazon.com/general/latest/gr/lex.html)

## Generative AI features for Amazon Lex V2
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Amazon Lex V2 now allows you to take advantage of Amazon Bedrock's generative AI capabilities for your bot.
+ Descriptive bot builder
  + [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/11/descriptive-bot-builder-generative-ai/)
  + [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/nld-bots.html)
+ Assisted slot resolution
  + [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/11/assisted-slot-resolution-generative-ai/)
  + [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/assisted-slot.html)
+ Utterance generation
  + [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/11/amazon-lex-utterance-generation/)
  + [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/utterance-generation.html)
+ `AMAZON.QnAIntent` (Conversational FAQ)
  + [What's new post](https://aws.amazon.com/about-aws/whats-new/2024/03/qnaintent-amazon-lex-available/)
  + [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/generative-qna.html)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/elevate-your-self-service-assistants-with-new-generative-ai-features-in-amazon-lex)

## AMAZON.Confirmation built-in slot for Yes/No/Maybe/Don't know disambiguation.
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Amazon Lex V2 now offers `AMAZON.Confimation` built-in slot to improve the accuracy of slot confirmation and Yes/No/Maybe/Don't know responses.
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/built-in-slots.html)

## Measuring business performance with Analytics
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Amazon Lex V2 now offers users the ability to view the performance of intents and slots on the Analytics dashboard.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/07/analytics-amazon-lex/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/analytics.html)

## Evaluating bot performance with Test workbench
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Amazon Lex V2 now offers users the ability to create and run test sets to measure bot performance and improve bot metrics.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/06/amazon-lex-test-workbench/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/test-workbench.html)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/expedite-the-amazon-lex-chatbot-development-lifecycle-with-test-workbench/)

## Vertical specific bot templates
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Amazon Lex V2 now offers users pre-built bot templates with ready-to-use conversation flows along with both training data and dialog prompts, for both voice and chat modalities.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/02/lex-console-vertical-specific-bot-templates)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/bot-templates)

## Network of bots
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Amazon Lex V2 now offers users the ability to combine multiple bots into a single network and the ability to route requests to the appropriate bot based on user input.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2023/02/network-bots-amazon-lex)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/network-of-bots)

## Visual conversation builder
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Amazon Lex V2 now offers a drag and drop conversation builder to easily design and visualize conversation paths by using intents within a rich visual environment.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/09/amazon-visual-conversation-builder/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/visual-conversation-builder)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/announcing-visual-conversation-builder-for-amazon-lex/)

## Composite slot type
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Amazon Lex V2 now offers users the ability to combine multiple slots into a composite slot using logical expressions.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/09/amazon-lex-composite-slot-type/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/composite-slots)

## Conditional branching
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Amazon Lex V2 now offers users the ability to write conditions to better control the path that customers take through a conversation with your bot.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/08/amazon-lex-conditional-branching-simplified-dialog-management/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/paths-branching)

## Automated chatbot designer
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Amazon Lex V2 now offers users the option of automatically designing a chatbot from conversation transcripts. Read the for usage examples.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/06/amazon-lex-automated-chatbox-designer-available/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/designing)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/expedite-conversation-design-with-the-automated-chatbot-designer-in-amazon-lex/)
+ [Amazon Lex Automated Chatbot Designer page](https://aws.amazon.com/lex/chatbot-designer/)

## Runtime hints
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Amazon Lex V2 now offers users the option of configuring runtime hints to improve recognition of phrases to improve elicitation of slot values.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/05/amazon-lex-supports-phrase-hints/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/using-hints)

## Custom vocabulary
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Amazon Lex V2 now offers users the option of creating a custom vocabulary, a list of phrases that can include proper nouns or domain-specific words, for Amazon Lex V2 to recognize in the audio input.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/05/amazon-lex-supports-custom-vocabulary/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/vocab)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/use-custom-vocabulary-in-amazon-lex-to-enhance-speech-recognition/)

## Grammar slot type
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Amazon Lex V2 now offers users the ability to author grammars in XML format following the Speech Recognition Grammar Specification (SRGS) to collect information in a conversation.
+ [What's new post](https://aws.amazon.com/about-aws/whats-new/2022/03/introducing-grammar-slot-type-amazon-lex/)
+ [Documentation](https://docs.aws.amazon.com/lexv2/latest/dg/building-srgs)
+ [AWS Machine Learning Blog post](https://aws.amazon.com/blogs/machine-learning/interpret-caller-input-using-grammar-slot-types-in-amazon-lex/)