{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "TimeDecay",
  "type": "object",
  "properties": {
    "weight": {
      "type": "number",
      "description": "Weight to apply for decaying this timestamp column. Normalized across all scored columns in the scoring config so that all weights sum to 1. If a weight is not provided, the weight defaults to 1 pre-normalization."
    },
    "limit_hours": {
      "type": "number",
      "description": "Optional limit in hours after which the decay does not apply."
    },
    "now": {
      "type": "string",
      "description": "Optional reference timestamp to calculate decay from."
    }
  }
}