https://www.telerik.com/kendo-jquery-ui/documentation/api/javascript/ui/promptbox/events/fileselect
fileSelect - API Reference - Kendo UI PromptBox - Kendo UI for jQuery
In this article you can see how to configure the fileSelect property of the Kendo UI PromptBox.
api referencekendo uifileselectpromptboxjquery
https://packagist.org/packages/lagan/template-fileselect
lagan/template-fileselect - Packagist.org
Template to edit Lagan fileselect properties.
lagantemplatefileselectpackagist