UsersDynamoDbTable:
      Type: AWS::DynamoDB::Table
      Properties:
        TableName: users
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        AttributeDefinitions:
          - AttributeName: slackId
            AttributeType: S
          - AttributeName: floatPersonId
            AttributeType: "N"
          - AttributeName: floatAccountId
            AttributeType: "N"
          - AttributeName: name
            AttributeType: S
          - AttributeName: roles
            AttributeType: S
        KeySchema:
          - AttributeName: floatPersonId
            KeyType: HASH
          - AttributeName: floatAccountId
            KeyType: HASH

One or more parameter values were invalid: Number of attributes in KeySchema does not exactly match number of attributes defined in AttributeDefinitions

enableDnsSupport 
Indicates whether the DNS resolution is supported.

If this attribute is false, the Amazon Route 53 Resolver server that resolves public DNS hostnames to IP addresses is not enabled.

If this attribute is true, queries to the Amazon provided DNS server at the 169.254.169.253 IP address, or the reserved IP address at the base of the VPC IPv4 network range plus two will succeed. For more information, see Amazon DNS server.