how to use slot in vue: vue.js - How to do named slots in Vue3 project?. Slots in Vue 3: Enhancing Flexibility and Reusability. Multi Export Vue.js Single File UI Components - Markus Oberlehner.
We use in the component
slot to send local data to the parent: ... A scoped slot can also send static data, that is data that does not belong to the data property of the Vue instance.
Learn how to use named exports to export multiple components from a single .vue file and how to use JSX to build powerful UI components.