ct</h4>

        <p>The options object supplied to the cluster functions can contain these properties:</p>
        <table class="methods">
            <tr>
                <th>Name</th>
                <th>Type</th>
                <th>Description</th>
            </tr>
            <tr><td>joinCondition(<br>&nbsp;&nbsp;<code>nodeOptions:&nbsp;Object</code><br>)</td>
                <td>Function</td>
                <td><i>Optional for all but the cluster method. </i> The cluster module loops over all nodes 