Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "dashboard-time-trend">
    <p>With this node you can add a time trend to an existing dashboard or a new one created by the node to show numbers.
    </p>

    <h3>Configurations</h3>

    <dl class="message-properties">
        <dt>dashboard
            <span class="property-type">string</span>
        </dt>
        <dd>Dashboard title to which the time trend will be added</dd>
        <dt>widget
            <span class="property-type">string</span>
        </dt>
        <dd> Title that will have the widget containing the time trend.</dd>
    </dl>

    <h3>Inputs</h3>
    <dl class="message-properties">
        <dd> A number directly in the payload that will be shown in the time trend</dd>
    </dl>