# SpanLink A link to another span, potentially from a different trace. **Type**: `object` ## Properties - name: attributes (optional) type: `Variant` - name: droppedAttributesCount (optional) type: integer description: Number of attributes that were dropped due to limits. - name: flags (optional) type: integer description: Span flags as defined in W3C Trace Context specification. - name: spanId (optional) type: string description: 64-bit span identifier of the linked span as a 16-character hex string. - name: traceId (optional) type: string description: 128-bit trace identifier of the linked span as a 32-character hex string. - name: traceState (optional) type: string description: Optional trace state information.