# FullCalendar Interaction Plugin Calendar functionality for event drag-n-drop, event resizing, date clicking, and date selecting ## Installation Install the FullCalendar core package, the interaction plugin, and any other plugins (like [daygrid](https://fullcalendar.io/docs/month-view)): ```sh npm install @fullcalendar/core @fullcalendar/interaction @fullcalendar/daygrid ``` ## Usage Instantiate a Calendar with the necessary plugins and options: ```js import { Calendar } from '@fullcalendar/core' import interactionPlugin from '@fullcalendar/interaction' import dayGridPlugin from '@fullcalendar/daygrid' const calendarEl = document.getElementById('calendar') const calendar = new Calendar(calendarEl, { plugins: [ interactionPlugin, dayGridPlugin ], initialView: 'dayGridMonth', editable: true, // important for activating event interactions! selectable: true, // important for activating date selectability! events: [ { title: 'Meeting', start: new Date() } ] }) calendar.render() ```