updated pattern and readme

Author: purohmid

dynamodb-lambda-cdk-kotlin/.gradle/8.10/checksums/checksums.lock

@@ -1,6 +1,6 @@
 # Lambda Tenant Isolation with SQS
 
-This pattern demonstrate AWS Lambda's tenant isolation feature in Multi-tenant application.
+This pattern demonstrate AWS Lambda's tenant isolation feature in Multi-tenant application. It uses single SQS for multi-tenant applucation and isolating messages using messagegroupid and invoking isolated lambda enviornments. 
 
 ## Key Features
 
@@ -37,7 +37,6 @@ SQS Queue → SQS Processor Lambda → Tenant-Isolated Lambda
 
 ```json
 {
-  "customer-id": "tenant-123",
   "data": "your payload here"
 }
 ```
@@ -56,7 +55,7 @@ Send a message to the SQS queue:
 ```bash
 aws sqs send-message \
   --queue-url <QUEUE_URL> \
-  --message-body '{"customer-id": "tenant-123", "data": "test payload"}'
+  --message-body '{"data": "test payload"}'
 ```
 
 

dynamodb-lambda-cdk-kotlin/.gradle/8.10/dependencies-accessors/gc.properties

@@ -0,0 +1,49 @@
+{
+	"title": "AWS Lambda Tenant Isolation with SQS",
+	"description": "Lambda Isolation feature",
+	"language": "",
+	"level": "200",
+	"framework": "AWS SAM",
+	"introBox": {
+		"headline": "How it works",
+		"text": [
+			"This pattern demonstrate AWS Lambda's tenant isolation feature in Multi-tenant application."
+		]
+	},
+	"gitHub": {
+		"template": {
+			"repoURL": "https://github.com/aws-samples/serverless-patterns/tree/main/sqs-lambda-tenant-isolation-sam-py",
+			"templateURL": "serverless-patterns/sqs-lambda-tenant-isolation-sam-py",
+			"projectFolder": "sqs-lambda-tenant-isolation-sam-py"
+		}
+	},
+	"resources": {
+		"bullets": [{
+				"text": "AWS Lambda tenant isolation",
+				"link": "https://docs.aws.amazon.com/lambda/latest/dg/tenant-isolation.html"
+			}
+		]
+	},
+	 "deploy": {
+      "text": ["sam build", "sam deploy --guided"]
+    },
+    "testing": {
+      "text": ["See the GitHub repo for detailed testing instructions."]
+    },
+    "cleanup": {
+      "text": ["Delete the stack: <code>sam delete</code>."]
+    },
+	"authors": [{
+		"name": "Mitesh Purohit",
+		"image": "",
+		"bio": "Sr Solution Architect, AWS",
+		"linkedin": "https://www.linkedin.com/in/mitup/"
+	},
+	{
+		"name": "Ricardo Marques",
+		"image": "",
+		"bio": "Sr Serverless Specialist, AWS",
+		"linkedin": "https://www.linkedin.com/in/ricardo-marques-aws/"
+	}
+]
+}

dynamodb-lambda-cdk-kotlin/.gradle/8.10/fileChanges/last-build.bin

@@ -8,19 +8,22 @@
 def handler(event, context):
     for record in event['Records']:
         body = json.loads(record['body'])
-        customer_id = body.get('customer-id')
 
-        if not customer_id:
-            print(f"Missing customer-id in message: {body}")
-            continue
+        # Get message group ID from SQS attributes
+        attributes = record.get('attributes') or {}
+        message_group_id = attributes.get('MessageGroupId')
+        
+        if not message_group_id:
+            print(f"Missing MessageGroupId in SQS record: {record}")
+            message_group_id = "default"
 
         lambda_client.invoke(
             FunctionName=TENANT_ISOLATED_FUNCTION,
             InvocationType='Event',
             Payload=json.dumps(body),
-            TenantId=customer_id
+            TenantId=message_group_id
         )
 
-        print(f"Invoked tenant-isolated function for customer: {customer_id}")
+        print(f"Invoked tenant-isolated function for message group: {message_group_id}")
 
     return {'statusCode': 200}