{
  "$defs": {
    "Amount": {
      "description": "Quantity with optional decimal places that determine accuracy.",
      "pattern": "^\\-?[0-9]+(\\.[0-9]+)?$",
      "title": "Amount",
      "type": "string"
    }
  },
  "$id": "https://gobl.org/draft-0/num/amount",
  "$ref": "#/$defs/Amount",
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}