outbound_call_lambda_function.py

import json
import boto3

connect = boto3.client("connect")

def lambda_handler(event, context):
    destinationNo = event['destinationNo']
    response = connect.start_outbound_voice_contact(
        DestinationPhoneNumber=destinationNo,
        ContactFlowId="5bcb4f57-0d7a-4ff0-9147-34134b74efd2",
        InstanceId="248dbcf5-5224-42be-9e2a-63b12139b9a6",
        QueueId="1831f178-d535-4329-86bf-381116eb543f",
        SourcePhoneNumber=SourcePhoneNumber,
        Attributes={
            'petName': 'Tom'
        }
    )

    return response