This article demonstrates how to add a File URL selector in widget's designer view. This selector lists files that you have inside Sitefinity's web application folder and allows you to select existing file. As a result, you get the selected file's URL.
In your DesignerView.YourView.cshtml file, place the following tag anywhere in the HTML code:
DesignerView.YourView.cshtml
You use the sf-model attribute to set or retrieve selected file URL. You use the sf-extension attribute to restrict allowed files depending on their extension. The sf-extension attribute is a required attribute.
sf-model
sf-extension
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