"links": [
  {
    "type": "CAUSE",
    "target": "ID1"
  },
  {
    "type": "CAUSE2",
    "target": "ID2"
  },
]

FOR doc IN Events FILTER doc.meta.id == 'ID' FOR v, e, p IN 1..10 OUTBOUND doc GRAPH 'traversalGraph' FILTER  e.type == 'CAUSE'  COLLECT res = v SORT res.meta.time DESC LIMIT 4 RETURN res

FOR doc IN Events FILTER doc.meta.id == 'ID' FOR v, e, p IN 1..10 INBOUND doc GRAPH 'traversalGraph' FILTER  e.type == 'CAUSE'  COLLECT res = v SORT res.meta.time ASC LIMIT 4 RETURN res