![]() ![]() Implement the logic that resolves field expressions for the headlines that you will use on the page. Users can personalize their Role Center to show or hide the Headline part as they like. Users can manually switch among headlines by selecting a corresponding dot that is displayed under the headlines. Users can pause on a headline by pointing to it. If a headline is interactive, users can select the headline to open the target defined in the headline. When all the headlines have been displayed, it will cycle back to the first headline, and continue from there. The headline will appear for 5 seconds, then the next headline will appear for 5 seconds, and so on. The Role Center will start by displaying the first visible headline that is defined on the HeadlinePart page. There are only a few field properties that apply to fields that are used on a HeadlinePart type page, including Expression, Visible, ApplicationArea, Drilldown, and DrillDownPageID. You can dynamically toggle visibility of a specific headline, for example based on its relevancy, by setting the Visible property on the field. Using the OnDrillDown trigger, headlines can be made interactive, meaning that users can select the headline to dig deeper into numbers or values that are shown in the headline or link to another page or URL. If you use a HeadlinePart page on another page type, the part will not render in the client. The HeadlinePart page is designed for Role Centers, that is, pages that have the type RoleCenter. The source for a field can be an expression or a field in an underlying table. Each field defines an individual headline to be displayed. The page must be the HeadlinePart type page. In short, the Headline is basically a page that contains one or more fields. For example, headlines cannot display images. Headlines can display numbers and letters only. ![]()
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