Hi Nivetha,
You can create an widget by using Powershell and Vscode.
https://academy.mendix.com/link/paths/108/Build-a-Pluggable-Widget
In this learning path you will have an idea how to create an widget in mendix by using HTML, CSS, and JS
I hope this one helps you
Hi Nivetha,
https://docs.mendix.com/howto/extensibility/create-a-pluggable-widget-one/
This helps you to start.
Thanks.