Restricting the Number of Items in an Array Field

Learn how to restrict the number of items that can be defined in the field.

In some cases, you may want to restrict the number of items that can be defined in the field details mask of an array field. To define the maximum number of items that can be selected from an array field set the arrayFieldMaxItems value in the extended options for a ListInput widget.

The following sample configuration below restricts the number of fields in the array field to one item:

{ 'widgetOptions': { 'arrayFieldMaxItems': 1 } }