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GroupTemplate

configuration

The template used to render the groups. By default the widget displays only the value of the group.

groupTemplate

String|Function

<input id="customers" style="width: 400px" />
<script>
    $(document).ready(function() {
        $("#customers").kendoMultiColumnComboBox({
            dataTextField: "ContactName",
            dataValueField: "CustomerID",
            groupTemplate: "Group: #:data#",
            height: 400,
            dataSource: {
                transport: {
                    read: "https://demos.telerik.com/service/v2/core/Customers"
                },
                group: { field: "Country" }
            },
            columns: [
              { field: "ContactName" },
              { field: "CustomerID" }
            ]
        });
    });
</script>