Node-RED block in Snap4City Microservice library node-red-contrib-snap4city-developer is "group-add-user">
    <p>It allows to add an user into a group</p>

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

    <dl class="message-properties">
        <dt>username
            <span class="property-type">string</span>
        </dt>
        <dd> username of the user to be added</dd>
        <dt>group
            <span class="property-type">string</span>
        </dt>
        <dd> name of the group </dd>
        <dt>organization
            <span class="property-type">string</span>
        </dt>
        <dd> name of the group's organization </dd>
    </dl>

    <h3>Outputs</h3>
    <dl class="message-properties">
        <dd> Returns the result of the operation </dd>
    </dl>

    <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>