Question

A developer is building a Bedrock Agent for a travel booking company. The agent must be able to call three business functions: search flights, check baggage policy, and cancel a reservation. The developer has written a Lambda function that implements all three operations. During testing, the agent frequently invokes the wrong operation or passes incomplete parameters to the Lambda function. The action group is configured with an OpenAPI schema, but the operation descriptions are terse (e.g., 'searches flights') and parameters lack descriptions. What is the MOST effective change to improve the agent's tool selection and parameter extraction accuracy?

Accepted Answer

Enrich the OpenAPI schema with detailed operation summaries/descriptions and clear parameter descriptions, including required flags and expected formats.

Answer

Split the single Lambda function into three separate Lambda functions, one per operation, to reduce ambiguity.

Answer

Switch the agent to a larger foundation model with a bigger context window so it can reason over more tokens.

Answer

Enable return of control so the application, rather than the agent, decides which operation to call.