Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "switch-button">
    <p>With this node you can add a button to an existing dashboard or a new one created by the node. If this button is switched
        on "On Value", it outputs a message from the top output, if the button is switched on "Off Value", it outputs a message
        from the bottom output.
    </p>

    <h3>Configuration</h3>

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

    <h3>Inputs</h3>
    <dl class="message-properties">
        <dd> As payload one of these values (1, "on", true) to set the switch button to "ON" or one of these values (0, "off", false) to set the switch button to "OFF"</dd>
    </dl>

    <h3>Outputs</h3>
    <ol class="node-ports">
        <li>On Value
            <dl class="message-properties">
                <dd> Returns the on value when the button is switched on "ON"</dd>
            </dl>
        </li>
        <li>Off Value
            <dl class="message-properties">
                <dd> Returns the off value when the button is switched on "OFF"</dd>
            </dl>
        </li>
    </ol>