| source | (optional) string | Evidence source system. | [default to undefined] |
| timestamp | (optional) AnomalyEvidenceTimestamp | | [default to undefined] |
| agentAttributeType | (optional) string | Attribute type captured for SENTINEL detections; null for SIEM detections. | [default to undefined] |
| agentAttributeValue | (optional) string | Attribute value captured for SENTINEL detections; null for SIEM detections. | [default to undefined] |
| baseline | (optional) AnomalyBaseline | Peer-group baseline for SIEM detections; null for SENTINEL detections. | [default to undefined] |