markerDefaults.tooltip.iframe Boolean

Explicitly states whether content iframe should be created.

Example - load content from remote URL

<div id="map"></div>
<script>
    $("#map").kendoMap({
        layers: [{
            type: "tile",
            urlTemplate: "http://a.tile.openstreetmap.org/#= zoom #/#= x #/#= y #.png",
            attribution: "&copy; OpenStreetMap"
        }],
        markerDefaults: {
            tooltip: {
                  iframe: true,
                  content: {
                    url: "https://demos.telerik.com/kendo-ui/content/web/tooltip/ajax/ajaxContent3.html"
                  },
                  width: 220,
                  height: 280
            }
        },
        markers: [{
            location: [42, 27]
        }, {
            location: [40, 20]
        }]
    });
</script>