{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rig.works/schemas/rig.art.material.schema.json",
  "title": "rig.art.material",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "medium": {
      "$ref": "./_defs.schema.json#/$defs/string"
    },
    "technique": {
      "$ref": "./_defs.schema.json#/$defs/string"
    },
    "support": {
      "$ref": "./_defs.schema.json#/$defs/string"
    }
  },
  "description": "Materials and techniques. Field meanings follow CDWA Materials/Techniques and VRA Core material / technique.",
  "minProperties": 1
}