How to add custom text in a fullcalendar event day view. I have this requirement to add a tagging in the event. Please refer to image attached.

How to add custom text in a fullcalendar event day view. I have this requirement to add a tagging in the event. Please refer to image attached.

If you want to add something to an event, look at thee eventRender - you can modify the HTML of the event an way you want, and you have access to all the event's properties as a data source.
e.g.
N.B. This specific example relies on you having an extra property called "description" in the event data you pass to the calendar - demo: https://codepen.io/ADyson82/pen/qBKvqom . But of course you can also simply manipulate the existing content, or display something from another standard property too. The world's your oyster.