{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/TimeDecay",
  "title": "TimeDecay",
  "type": "object",
  "properties": {
    "column": {
      "$ref": "#/components/schemas/Column"
    },
    "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.",
      "example": 0.5
    },
    "limit_hours": {
      "type": "number",
      "description": "Optional limit in hours after which the decay does not apply.",
      "example": 24
    },
    "now": {
      "type": "string",
      "format": "date-time",
      "description": "Optional reference timestamp to calculate decay from.",
      "example": "2022-01-01T00:00:00Z"
    }
  },
  "required": [
    "column"
  ]
}