def lambda_handler(event, context):
    
    if event['eventType'] == 'SyncTrigger':

        records = event['datasetRecords']

        email = records.get('Email')  # may be None
        if email and email['newValue'].endswith('@cloudacademy.com'):
            # guess the Company name
            records['Company'] = {
                'newValue': 'Cloud Academy, Inc.',
                'op': 'replace',
            }

    print("New event: %s" % event)
    return event  # return same structure