arangosh&gt; <span class="hljs-keyword">var</span> examples = <span class="hljs-built_in">require</span>(<span class="hljs-string">"@arangodb/graph-examples/example-graph.js"</span>);
arangosh&gt; <span class="hljs-keyword">var</span> g = examples.loadGraph(<span class="hljs-string">"routeplanner"</span>);
arangosh&gt; db._query(<span class="hljs-string">"RETURN GRAPH_RADIUS('routeplanner')"</span>).toArray();
[ 
  <span class="hljs-number">1</span> 
]