Serverless Weather pt 4

index.js

    // Construct a format for the message - since we're using SNS, the maximum length will be 140 chars
    const message = `Tomorrow's weather: \nHi: ${high}\xB0\nLo: ${low}\xB0\nRain: ${precip}%\n\n${summary}`;

    // Create an object to define how we'll invoke our call to SNS
    const params = {
      Message: message,
      TopicArn: TOPIC
    }