AWS Lambda for Amazon DynamoDB daily resize (CloudFormation template)

template.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Parameters: 
  TablePrefix:
    Type: String
Resources:
  TableDailyResize:
    Type: AWS::Serverless::Function
    Properties:
      Handler: handler.daily_resize
      Policies:
        - AWSLambdaExecute # Managed Policy
        - Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Action:
                - dynamodb:CreateTable
                - dynamodb:UpdateTable
              Resource: !Sub 'arn:aws:dynamodb:${AWS::Region}:${AWS::AccountId}:table/${TablePrefix}*'      
      Runtime: python2.7
      Timeout: 30
      MemorySize: 256
      Environment:
        Variables:
          TABLE_NAME: !Ref TablePrefix
      Events:
        CreateNewTableEveryDay:
          Type: Schedule
          Properties:
            Input: '{"Operation": "create_new"}'
            Schedule: cron(45 23 * * ? *) # every day at 11.45PM
        ResizeYesterdaysTableEveryDay:
          Type: Schedule
          Properties:
            Input: '{"Operation": "resize_old"}'
            Schedule: cron(15 0 * * ? *) # every day at 00.15AM