The same entity with different strategies at different confidence bands

Source: 08-multiple-confidence-thresholds.phisql

PhiSQL

-- The same entity with different strategies at different confidence bands.
-- High-confidence detections get LAST_4 (preserves utility for analytics);
-- lower-confidence ones get fully redacted (safer default).

POLICY confidence_bands;

REDACT CREDIT_CARD WITH LAST_4 WHERE CONFIDENCE >= 0.9;
REDACT CREDIT_CARD WITH REDACT WHERE CONFIDENCE < 0.9;

Compiles to

{
  "identifiers": {
    "creditCard": {
      "creditCardFilterStrategies": [
        {
          "strategy": "LAST_4",
          "conditions": "confidence >= 0.9"
        },
        {
          "strategy": "REDACT",
          "conditions": "confidence < 0.9"
        }
      ]
    }
  }
}