import json import boto3 import base64 personalize = boto3.client('personalize') personalize_runtime = boto3.client('personalize-runtime') def lambda_handler(event, context): userId = str(event['user_id']) itemId = str(event['item_id']) campaignArn = event['campaign_arn'] print("userId, itemId",userId, itemId ) get_recommendations_response = personalize_runtime.get_recommendations( campaignArn=campaignArn, userId=userId, itemId=itemId ) item_list = get_recommendations_response['itemList'] return { 'item_list': item_list #'body': json.dumps('Hello from Lambda!') }