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Association, resource policy, and the log that says AccessDenied — Worked example
- Read the flow log. AccessDenied or not.
- Fix the policy. Or the return shape.
- Retest. One ContactId.
What usually goes wrong: Adding lambda:InvokeFunction to the admin user and retesting the call.
Sources and go deeper
- Troubleshoot Lambda function failures in Amazon Connect | AWS re:Post community. last checked 2026-10
- Flow block in Connect Customer: AWS Lambda function - Amazon Connect Customer AWS docs. last checked 2026-10
- What is AWS Lambda? - AWS Lambda AWS docs. last checked 2026-10
- AWS Lambda - Wikipedia Wikipedia. last checked 2026-10