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<h4>addKeySubgraph</h4>
<pre class="methodSignature">&lt;X&gt;&nbsp;<a href="Subgraph.html" title="interface in jakarta.persistence">Subgraph</a>&lt;X&gt;&nbsp;addKeySubgraph&#8203;(<a href="metamodel/Attribute.html" title="interface in jakarta.persistence.metamodel">Attribute</a>&lt;<a href="Subgraph.html" title="type parameter in Subgraph">T</a>,&#8203;X&gt;&nbsp;attribute)</pre>
<div class="block">Add a node to the 