arangosh&gt; graph._addVertexCollection(<span class="hljs-string">"shop"</span>);
arangosh&gt; graph._addVertexCollection(<span class="hljs-string">"customer"</span>);
arangosh&gt; graph._addVertexCollection(<span class="hljs-string">"pet"</span>);
arangosh&gt; graph;
{[Graph] 
}