Set contact attributes can used to pass Custom Fields values from Amazon Contact Center flow to Voice Call Object in Salesforce.

1. Custom Field in Salesforce Voice Call object.

2. Use “Set contact attributes” to pass value to the Custom Field Salesforce from the Amazon Contact Center Flow.

3. Call the Set contact attributes before Invoking AWS Lambda function.

4. Test it by calling the flow. I have used it in the Inbound Call Flow. So, I made an Inbound Call to test it.

Output: