selectedIndexItem

The selectedIndexItem property applies to a VGUIRecord field that contains an array. The value of the property is the name of a selected index item, which is another VGUIRecord field whose value indicates two aspects of runtime processing:

The field to which the property refers must be a NUM type and must not have decimal places, but can be an array.

Consider the following case:

In this case, the generated web page contains radio buttons from which the user can choose only one value. The selected index item identifies the radio button by number, with the number 1 referring to the first radio button.

If the selected index item is an array in the same case, the generated web page contains a set of checkboxes, and the following is true:
The generated HTML is different if the uiType property is output:

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