p;                new HashMap&lt;&gt;() {{</b>
<b class="fc">&nbsp;                    put(&quot;uuid&quot;, PropertyDefinition.of(PropertyType.UUID));</b>
&nbsp;                }},
<b class="fc">&nbsp;                ListOrderedSet.listOrderedSet(List.of(&quot;uuid&quot;)));</b>
<b class="fc">&nbsp;        this.sqlgGraph.tx().commit();</b>
&nbsp;
<b class="fc">&nbsp;        Vertex person1 = this.sqlgGraph.addVertex(T.label, &quot;Person&quot;, &quot;uuid&quot;, UUID.randomUUID());</b>
<b class="fc">&nbsp; 