prefixOptions.template String|Function

The template for the prefix adornment of the component.

Example - specify prefix adornment template

<input id="prefix" />
<script>
    $("#prefix").kendoMultiSelect({
        label: "MultiSelect",
        dataTextField: "text",
        dataValueField: "value",
        dataSource: {
                data:  [
                        { text: "Apples", value: "1" },
                        { text: "Oranges", value: "2" }
                ]
        },
        prefixOptions: {
            template: () => `${kendo.ui.icon("search")}`
        }
    })
</script>