This widget shows the reserved number when creating a document. Read more about the registration in this article.
To configure the widget, drag it to the canvas or click +Widget. Enter the settings in the pop-up window.
When you edit the app form, the Item* and Displayed fields* are defined automatically.
The Hide, Read only, HTML styles, On mouse enter handler, On mouse leave handler settings are the system widget settings. Read more about them in this article.
To finish the configuration, click Save and Publish.