Overview:

The ASK SDK v2 for Node.js is a tool that simplifies the process of building engaging skills for Alexa. It allows developers to spend more time on implementing features and less time on writing boilerplate code. The SDK provides various features and libraries that make it easier to interact with the Alexa platform.

Features:

• ASK SDK Controls Framework: This framework allows developers to create large, multi-turn skills using reusable components called controls. It provides a scalable solution for building complex skills in code.
• ASK SMAPI SDK: This library enables developers to easily interact with all Skill Management APIs (SMAPI) provided by Alexa. It allows developers to manage the interaction model, intent request history, in-skill purchasing, and more.
• Package Versions: The ASK SDK v2 for Node.js is divided into different packages, each serving a specific purpose. Some of the packages include ask-sdk, ask-sdk-core, ask-sdk-dynamodb-persistence-adapter, ask-sdk-runtime, ask-sdk-s3-persistence-adapter, ask-sdk-v1adapter, ask-sdk-express-adapter, ask-smapi-sdk, and ask-sdk-local-debug.
• Alexa Features Supported by SDK: The SDK supports various Alexa features such as Amazon Pay, Audio Player, Display (body templates for devices with a screen), Gadgets Game Engine (Echo Buttons), Directive Service (Progressive Response), Messaging, Monetization, Video, Device Address, Lists, Request for customer contact information, Obtain customer settings information, Account Linking, Entity Resolution, Dialog Management, Location Services, and Reminders.
• Preview Features: The SDK also includes some preview features that are released as public previews. These features include Connections, Alexa Presentation Language, and Name-free Interactions.