my-first-alexa-skill.js

exports.handler = (event, context, callback) => {
    try {
        if (event.session.new) {
          // New Session
          console.log('New Session')
        }

        switch (event.request.type) {
            case 'LaunchRequest':
                console.log('LaunchRequest')
                break;

            case 'IntentRequest':
                console.log('IntentRequest')

                switch(event.request.intent.name) {
                    case 'SayHello':
                        context.succeed({
                          version: "1.0",
                          sessionAttributes: {},
                          response: {
                            outputSpeech: {
                              type: 'PlainText',
                              text: 'Hello from my first alexa skill'
                            },
                            shouldEndSession: true
                          }
                        })
                        break;

                    case 'SayGoodbye':
                        context.succeed({
                          version: "1.0",
                          sessionAttributes: {},
                          response: {
                            outputSpeech: {
                              type: 'PlainText',
                              text: 'Goodbye'
                            },
                            shouldEndSession: true
                          }
                        })
                        break;
                    default:
                        context.fail(`INVALID IntentName ${event.request.intent.name}`)
                }
                break;

            case 'SessionEndedRequest':
                console.log('SessionEndedRequest')
                break;

            default:
                context.fail(`INVALID REQUEST TYPE ${event.target.type}`)
        }
    } catch (error) {
        console.log('Got an error: ', error)
        context.fail(`got an error: ${error}`)
    }
}