# Human Escalation Frequency — Definition of Success > KPI: Human Escalation Frequency > Target: < 0.1% of platform actions (Post-Pilot) **What this number means:** how often the AI platform was forced to fall back or escalate to a human operator due to low confidence. This is the inverse of Touchless Resolution Rate, scoped to operational escalations only. **How it's computed:** `count(runs WHERE hitl_block = 1 AND reason = 'confidence')` ÷ `total runs`. Attestation sign-offs are excluded. **What "good" looks like:** < 0.1% means fewer than 1 in 1000 runs require human intervention. Near-zero is the goal. **What would be "gamer metrics":** counting attestation sign-offs as escalations (they're not — they're designed controls).