Added new parameter to the CFT

Author: narendran1560

cft-templates/s3.yaml

@@ -1,14 +1,21 @@
 AWSTemplateFormatVersion: '2010-09-09'
 Description: create a single S3 bucket
 
+Parameters:
+  Namespace:
+    Type: String
+    Description: An environment name that will be prefixed to resource names  
+
 Resources:
   SampleBucket:
     Type: AWS::S3::Bucket
+    Properties:
+      BucketName: !Ref Namespace
 
 Outputs:
   BucketArn:
     Value: !GetAtt [SampleBucket, Arn]
     Description: URL for website hosted on S3
   BucketName:
     Value: !Ref SampleBucket
-    Description: Name of S3 bucket
+    Description: Name of S3 bucket