The article provides a tutorial on how to pass data from a child component to a parent component in Vue.js using event emitters, specifically demonstrating how to achieve this with Vue.js v.3 and the Composition API. It guides readers through setting up an event emitter in a child component that sends data to a parent component upon triggering an event like keyup. The process involves defining an emitter in the child component, listening for the emitted event in the parent component, and updating the parent component's data in response. The tutorial includes practical examples using Vue's props and emits features, explaining how the emitted data updates the parent component and any nested components. It emphasizes the utility of this approach for developers at any stage and offers a demo project for practice. Additionally, the article highlights LogRocket as a tool for monitoring and debugging Vue applications by replaying user sessions and capturing various data points to enhance the debugging experience.