Each node has a built-in unique identifier _id.
| Property | Value Type | Description |
|---|---|---|
_id | STRING | Node unique identifier. Its value can be either auto-generated by system or manually assigned during insertion. |
Each edge has a unique identifier _id and two endpoint references.
| Property | Value Type | Description |
|---|---|---|
_id | STRING | Edge unique identifier. By default, edges receive a system-generated _id and custom values cannot be assigned. When the EDGE_ID feature is enabled on the graph, the value may be manually assigned during insertion or auto-generated as a UUID v4. See Graphs with Edge ID Support for details. |
_from | STRING | The _id of the source node. |
_to | STRING | The _id of the destination node. |
