AWSTemplateFormatVersion: "2010-09-09" Description: AWS CloudFormation workshop - Change sets - S3 bucket (uksb-1q9p31idr) (tag:changesets). Parameters: BucketName: Description: Name of the Amazon S3 bucket you wish to create Type: String AllowedPattern: ^(?!(^xn--|.+-s3alias$))^[a-z0-9][a-z0-9-]{1,61}[a-z0-9]$ ConstraintDescription: Bucket name can include numbers, lowercase letters, uppercase letters, periods (.), and hyphens (-). It cannot start or end with a hyphen (-). Resources: MyS3Bucket: Type: AWS::S3::Bucket Properties: BucketName: !Ref BucketName VersioningConfiguration: Status: Enabled