layers.tooltip.width Number(default: Infinity)

The width (in pixels) of the tooltip.

Example - set the width of the tooltip

<div id="map"></div>
<script>
    $("#map").kendoMap({
        layers: [{
            type: "marker",
            tooltip: {
                width: 80,
                content: "Foo"
            },
            dataSource: {
                data: [{
                    latlng: [0, 0]
                }]
            },
            locationField: "latlng"
        }]
    });
</script>