This object sets how severe a failure of this specific rule counts toward the overall check, with a severity of 0 meaning a failure of this particular rule is considered irrelevant. An admin building a check with multiple rules of differing importance, one rule that's just informational, another that's critical, assigns different severities so checkResultSeverity correctly reflects the worst actual problem rather than treating every rule failure the same. A check combining a minor warning rule at severity 2 and a critical outage rule at severity 8 would report checkResultSeverity of 8 the moment the critical rule fails, regardless of the minor rule's state.