如何将DynamoDB表地址、Redis端口和地址传递给CloudFormation中的EC2实例？

Parameters:
  DynamoDBTableAddress:
    Type: String
    Description: The address of the DynamoDB table
  RedisPort:
    Type: Number
    Description: The port number of the Redis server
  RedisAddress:
    Type: String
    Description: The address of the Redis server

Resources:
  EC2Instance:
    Type: AWS::EC2::Instance
    Properties:
      ...
      UserData:
        Fn::Base64: !Sub |
          #!/bin/bash
          echo "DynamoDB Table Address: ${DynamoDBTableAddress}"
          echo "Redis Port: ${RedisPort}"
          echo "Redis Address: ${RedisAddress}"
      ...

Outputs:
  DynamoDBTableAddressOutput:
    Value: !Ref DynamoDBTableAddress
    Description: The address of the DynamoDB table
  RedisPortOutput:
    Value: !Ref RedisPort
    Description: The port number of the Redis server
  RedisAddressOutput:
    Value: !Ref RedisAddress
    Description: The address of the Redis server