Hands-On Chatbot Development with Alexa Skills and Amazon Lex

封面

Title Page

Copyright and Credits

Hands-On Chatbot Development with Alexa Skills and Amazon Lex

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Packt.com

Contributors

About the author

About the reviewer

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

Understanding Chatbots

What are chatbots?

What makes up a chatbot?

Intents

Slots

Utterances

Designing conversation flows

Starting with the perfect conversation diagram

Conversation flow diagrams

Creating a conversation flow diagram

User stories

Best practices

Handling errors

Missed utterances

External APIs

Errors in your code

Tone of voice

Identifying suitable use cases

Designing the information for the delivery method

Amazon Alexa and Lex

Amazon Alexa

Amazon Lex

Summary

Questions

Getting Started with AWS and Amazon CLI

Technical requirements

Creating an account

Setting your region

Navigating around AWS

Creating a Lambda

AWS Console

Setting up the Lambda

Writing your Lambda function's code

Triggering Lambdas

Methods for working with Lambdas

Method 1 – Lambda Console

Method 2 – Cloud9 editor

Method 3 – Local editing

Creating the best local development environment

Choosing an IDE

Installing Node and NPM

Folder structure

Setting up AWS CLI

Creating a Lambda using AWS CLI

AWS CLI build script

Git

Local development setup

Summary

Questions

Creating Your First Alexa Skill

Technical requirements

Alexa Skills Kit

Creating a Lambda to handle the request

Creating handlers

Building and configuring the Lambda

Finishing skill configuration

Testing your skills

Troubleshooting your skill

Creating a more useful skill

Conversational flow diagram

Creating the Alexa Skill

Creating an Intent

Internal Slots

Finding the Skill ID

Creating the Lambda

Handling the whichCar Intent

Amazon S3

Accessing our S3 data

Adding S3 permissions

Dealing with our data

Testing our Lambda

Finishing the Alexa Skills Kit Configuration

Testing

Launching your skill

Summary

Questions

Further reading

Connecting Your Alexa Skills to External APIs

Technical requirements

External APIs