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Assistive technology support

All viewer components support ARIA (Accessible Rich Internet Applications) roles and attributes to improve integration with assistive technologies such as screen readers.
The top-level viewer element has role region and aria-label attribute set by default to the name of the viewer. You can control the label with the Container.LABEL localization symbol.
Buttons have the role button and descriptive text set with aria-label attribute. The value of aria-label attribute is populated from the value of the button's localization symbol. When a button is disabled, aria-disabled attribute is set accordingly.
Buttons which let you navigate through carousel slides have labels that update in run-time depending on the currently selected slide. The template for these button's label is set with CAROUSELVIEWER_TOOLTIP_GOTO localization symbol.
The main view has role application . A brief description of the main view is provided in aria-roledescription , with the value defined by the ROLE_DESCRIPTION localization symbol of the corresponding main view component. Navigation hints for keyboard users are provided using aria-describedby , the text for the usage hint comes from the USAGE_HINT localization symbol. If an asset has a label defined in the UserData field, the aria-label attribute is set with the value of such label.
Hot spots, regions, and image maps have the role button and descriptive text set with aria-label attribute, with the value of the hot spot or image map label. When the user puts a focus on hot spots or image maps, navigation hints for keyboard users are provided using aria-describedby , with the text for the usage hint coming from the USAGE_HINT localization symbol.