Page upload

wiki	type "schema" name "Page upload"
properties	files wiki name "files" type "schema" items type "object" wiki name "file" type "schema" layout "section" properties file wiki name "file" type "property" multiple-items false required true input-config accept "image/svg+xml" "image/png" "image/gif" "image/jpeg" "image/pjpeg" "image/webp" "application/pdf" "image/tiff" "image/x-tiff" "image/bmp" "image/x-windows-bmp" droppable true showDropTarget true label-parsed "file" value-prefix "File:" visibility "visible" preferred-input "OO.ui.SelectFileWidget" value-formula "{{PAGEID}}-<value>" type "string" format "text" title "file" caption wiki name "caption" type "property" multiple-items false label-parsed "caption" visibility "visible" preferred-input "OO.ui.TextInputWidget" input-config Empty array required false property-model "json-schema" type "string" format "text" title "caption" required "file" type "array" title "Files" minItems 1 uniqueItems false
type	"object"
description	"a multiple upload with file select and caption, that saves files under the page with this schema, using the pageId as prefix"