Customize http://localhost:4502/aem/inbox in vanilla AEM 6.4instance
Hi All,
I have created a sample task , renamed the label appearing at the top [ex: from Complete to CustComplete, Re-assign to CustRe-assign etc].
I want to create a custom button[for now have just copied the existing ones and renamed as Custom] as seen in the screenshot below.

When I click on it, a pop-up should open up with say 'FileUpload' field and read only description field.On submitting that, it should hit a servlet. Right now, do not have detailed functionality, but this is to be achieved as part of POC.
Any thoughts/pointers/reference code on how to go about this will be really helpful.
