Bedrock studio functions issues

Thank you for sharing your experience with Amazon Bedrock Studio functions. I understand you're facing some challenges, and I'll address the issues you've described based on the information available.

Regarding the first issue where the Agent chat application loses functions from the dropdown list: This appears to be a UI-related problem in the preview version of Bedrock Studio. While the functions are still present in the components list, the app is having trouble recognizing them. This inconsistency is likely a bug in the preview version that needs to be addressed by the AWS team.

For the second issue where the agent doesn't execute the call to the destination Lambda: This is indeed a more significant problem. The fact that the console understands the parameters and creates the call structure, but doesn't show logs of the actual execution, suggests there might be an issue with the integration between Bedrock Studio and your AWS resources.

It's positive that you can successfully use the same URL in Postman and that the destination Lambda works in Bedrock agent itself. This indicates that the problem is specific to the Bedrock Studio preview implementation.

Given that Bedrock Studio is still in preview, it's not uncommon to encounter such issues. However, functions are indeed a major functionality, and this problem significantly impacts the usability of the service.

To address your question about successful function execution from the preview: While I don't have specific information about other users' experiences, it's clear that the feature is not working as intended in your case.

Here are a few suggestions that might help:

1. Double-check the authentication method and credentials used for the function in Bedrock Studio. Ensure they match what you're using in Postman.

2. Review the function schema in Bedrock Studio to make sure it accurately represents your API.

3. Check if there are any size limitations on the API response that might be causing issues. Bedrock Studio has a limit of 20K for API responses.

4. Ensure that the system prompt for your app mentions the new skills introduced by the function, as this is a requirement for using functions in Bedrock Studio.

5. Monitor the CloudWatch logs for the Lambda function that Bedrock Studio creates to execute your API calls. This might provide more insight into what's happening behind the scenes.

If these steps don't resolve the issue, I would strongly recommend reaching out to AWS support or posting in the AWS forums. Given that this is a preview feature, direct feedback to AWS about these issues is crucial for improving the service before its general availability.

Sources
Call functions from your app - Amazon Bedrock Studio
Create an Amazon Bedrock Studio function component - Amazon Bedrock Studio
Monitor Amazon Bedrock Studio using CloudWatch Logs - Amazon Bedrock