{
  "$schema": "http://json-schema.org/draft-07/schema",
  "type": "array",
  "items": {
      "type": "object",
      "properties": {
          "name": { "type": "string" },
          "prerequisites": { "type": "array", "items": { "type": "string" }, "uniqueItems": true },
          "unitTypes": { "type": "array", "items": { "type": "string" }, "uniqueItems": true },
          
          "row": { "type": "integer", "minimum": 0,
              "description": "Used as **column** hint in the promotion picker screen. Not a direct position, it is used to sort before an automatic distribution."
          },
          "column": { "type": "integer", "minimum": 0,
              "description": "Used as **row** hint in the promotion picker screen. Not a direct position, it is used to sort before an automatic distribution."
          },

          "uniques": { "$ref": "https://raw.githubusercontent.com/yairm210/Unciv/master/docs/Modders/schemas/uniques.json" },
          "civilopediaText": { "$ref": "https://raw.githubusercontent.com/yairm210/Unciv/master/docs/Modders/schemas/civilopediaText.json" },
          
          "outerColor": { "$ref": "https://raw.githubusercontent.com/yairm210/Unciv/master/docs/Modders/schemas/color.json" },
          "innerColor": { "$ref": "https://raw.githubusercontent.com/yairm210/Unciv/master/docs/Modders/schemas/color.json" }
      },
      "required": [
          "name"
      ],
      "additionalProperties": false
  }
}