It is required to have the following plugins/services in place in order to use this connection.
The Newsletter plugin is a tool for creating and sending newsletters, post notifications, and autoresponders from a WordPress website. It allows users to create and design email campaigns using customizable templates and to manage and segment their subscriber lists. The plugin also includes automatic blog post notifications, integration with popular email marketing services, and support for opt-in and double opt-in email subscriptions.
LearnDash is a WordPress plugin that enables website owners to create and sell online courses on their WordPress websites. It includes course content dripping, course forums, and support for multiple payment gateways. The plugin is suitable for educators, trainers, and course creators who want to create interactive, engaging learning experiences for their students.