blocks:catalog.area.blocks/blocks:entry.file-upload-zone.titleblocks:entry.file-upload-zone.descriptionblocks:block.components-used Form Form field File upload Button blocks:scenario.file-upload-zone.single blocks:scenario.file-upload-zone.multi blocks:block.preview blocks:block.code blocks:preview.file-upload-zone.single-label * blocks:preview.file-upload-zone.single-button blocks:preview.file-upload-zone.single-emptyblocks:preview.file-upload-zone.single-hint blocks:preview.file-upload-zone.submit-single