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AWS Lex Assisted Slot Resolution Gen-AI

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I am currently working with Amazon Lex V2 and attempting to use the “Assisted Slot Resolution” feature for one of my slots. I have already completed the necessary setup:

✅ I am using Lex V2.

✅ The bot language is set to English (US).

✅ I have enabled Generative AI for the intent.

✅ A supported Bedrock model (Claude 3.5 Sonnet) is selected in the intent’s Generative AI configuration.

✅ I clicked Save after configuring GenAI.

✅ The slot I’m working with is a custom slot with defined values (not FreeFormText or multi-valued).

✅ I have checked under the Slots section inside the intent, and opened the specific slot settings.

However, when I go to the slot configuration, I only see:

Required for this intent

Multi-valued slot

Enable slot obfuscation

But the option to “Enable assisted slot resolution” does not appear, even though the documentation says it should in this scenario.

Can you please confirm if this is a UI issue, a known limitation, or a configuration issue on my side?

Topics
Machine Learning & AIGenerative AI on AWS
Tags
Amazon LexAmazon Bedrock
Language
English
asked 10 months ago149 views
1 Answer
1
Accepted Answer

The issue you're experiencing is related to the type of slot you're using. Assisted slot resolution is only available for specific built-in slots in Amazon Lex V2, not for custom slots.

According to the documentation, assisted slot resolution can only be enabled for the following built-in slot types:

  • AMAZON.Alphanumeric
  • AMAZON.City
  • AMAZON.Country
  • AMAZON.Date
  • AMAZON.Number
  • AMAZON.PhoneNumber
  • AMAZON.Confirmation

Since you mentioned you're using a custom slot with defined values, the "Enable assisted slot resolution" option will not appear in your slot configuration. This is not a UI issue or configuration problem on your side, but rather a limitation of the feature itself.

To use assisted slot resolution, you would need to switch to one of the supported built-in slot types listed above. If the slot does not support assisted slot resolution, the option will be greyed out or not appear at all in the slot settings.
Sources
Enable assisted slot resolution in the slot settings in Lex V2 - Amazon Lex
Using assisted slot resolution to clarify slot values in Amazon Lex V2 - Amazon Lex

answered 10 months ago
EXPERT
reviewed 10 months ago

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