The messageLovChoice component is a combination of the messageLayout component and the lovChoice component (which works with the listOfValues component).
Use the messageLovChoice component to insert a choice component with a "More..." option at the bottom of a list of options that you specify (seeded options). A prompt and an optional message type icon displays before the choice component . The inline message is placed below the dropdown box. To add a component after the choice component, use the end named child.
The user can select one of the seeded options or the "More..." option. When "More..." is selected, a specified List of Values (LOV) modal window opens, enabling the user to select one or more values (user-selected options).
Use a series of option components as indexed children of the messageLovChoice component to provide the seeded options that are listed above the "More..." option. Use the destination attribute of messageLovChoice to launch the page that contains the LOV window.
Note that for the messageLovChoice component to work properly, you must use data binding to display the options, and provide the code for appending the user-selected options from the LOV window to the options (i.e., the user-selected options should be inserted between the last option and the "More..." option).
In addition to general and message attributes, you can also set the primaryClientAction attribute to fire an event when the user selects an option other than the "More..." option.
About MessageLayout
About Message Form Components and Attributes
About Option
Inserting a MessageLovChoice
Working with Form Components
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