{
  "description": "Confirm success using custom length, single character to wordbreak on and omission",
  "expr": "$truncate('1234567890123456 , 789012345678901234567890', { 'length': 20 , 'omission': '...', 'wordbreak': ' ' })",
  "dataset": "metadata",
  "bindings": {},
  "result": "1234567890123456..."
}