Edge¶ Edge is an immutable directed edge record with a source, target, type, and scalar properties. Reference¶ tonggraph.Edge ¶ Immutable directed edge record returned by graph lookup methods. id property ¶ id: int Internal integer edge ID. source property ¶ source: int Source node ID. target property ¶ target: int Target node ID. edge_type property ¶ edge_type: str Application-defined edge type. properties property ¶ properties: dict[str, PropertyValue] Edge properties as Python scalar values.