layerDefaults.marker.tooltip.callout Boolean(default:true)

Specifies if the tooltip callout will be displayed.

Example - hide the tooltip callout

<div id="map"></div>
<script>
    $("#map").kendoMap({
        layerDefaults: {
            marker: {
                tooltip: {
                    callout: false,
                    template: "Lon:#= location.lng #, Lat:#= location.lat #"
                }
            }
        },
        layers: [{
            type: "marker",

            locationField: "latlng",
            dataSource: {
                data: [{
                    latlng: [0, 0]
                }]
            }
        }]
    });
</script>