Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "The input() method is used to get an input from the user."

A block of code is set as follows:

exports.myHandler = function(event, context, callback) {
console.log("value = " + event.key);
console.log("functionName = ", context.functionName);
callback(null, "Yippee! Something worked!");
};

Any command-line input or output is written as follows:

# aws lambda list-functions

Bold: Indicates a new term, an important word, or words that you see onscreen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "If you need something different, click on the DOWNLOADS link in the header for all possible downloads: "