Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-user is "tpl-lines">
    <p>provide a list of the public transport lines available for a given agency.</p>

    <h3>Inputs</h3>
    A JSON with these parameters:

    <dl class="message-properties">
        <dt>agency
            <span class="property-type">string</span>
        </dt>
        <dd> URI of the agency whose lines are to be retrieved</dd>
    </dl>

    <h3>Outputs</h3>
    <ol class="node-ports">
        <dl class="message-properties">
            <dd> It provides an array of JSON objects of the lines available, for each line is provided the line long and short
                name, the uri identifying the line.</dd>
        </dl>

    </ol>

    <h3>Details</h3>
    <p>The node can receive a JSON with the parameters described in the Inputs section and with them generate the output JSON.
        If the values are not present in the input JSON, these are read by those in the configuration. If they are not present
        in either part, an error is generated for the necessary parameters.</p>