Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "coordinates-from-map">
    <p>DEPRECATED there is another node (dashboard-map) with the same functionality. With this node you can add a map to an existing dashboard or a new one created by the node. If a point in the map is clicked this node receives 
        the GPS coordinates of the point clicked on the map.
    </p>

    <h3>Configuration</h3>

    <dl class="message-properties">
        <dt>dashboard
            <span class="property-type">string</span>
        </dt>
        <dd>Dashboard title to which the map will be added</dd>
    </dl>

    <h3>Outputs</h3>
    <ol class="node-ports">
        <li>GPS Coordinates and service uri
            <dl class="message-properties">
                <dd> Returns the GPS coordinates when the map is clicked or GPS coordinates and service uri when the device in the map is clicked</dd>
            </dl>
            <pre>
{
    "latitude": 43.75, 
    "longitude": "11.35,
	"serviceUri": "http://www.disit.org/km4city/resource/iot/orionUNIFI/DISIT/METRO15"
}
            </pre>
        </li>
       
    </ol>