The owner of the bindTarget rule.
Flags : Cached, Parameter, Spec (Note this is uncached)
Expression : this
The URL to the uploaded file.
Flags : Cached, Parameter, Spec (Note this is uncached)
Expression : ""
Internal Use Only
Flags : Cached (Note this is uncached)
Expression : "UploadButton"
The file selection mask, using the syntax of the HTML input accept parameter (see https://www.w3schools.com/tags/att_input_accept.asp). Note that wild cards are not accepted. For JPEG for example, use ".jpg" instead of "*.jpg"
Flags : Cached, Parameter, Spec (Note this is uncached)
Expression : ""
UIUploadButton (d.1.0)
Mixins: UIButtonMixin
OBSOLETE. Use UIFileUploadButton instead, which can upload 1 or more files.
This button allows the user to upload a file to their model, and places a URL to it in bindTarget.