{
  "$defs": {
    "Key": {
      "description": "Text identifier to be used instead of a code for a more verbose but readable identifier.",
      "maxLength": 64,
      "minLength": 1,
      "pattern": "^(?:[a-z]|[a-z0-9][a-z0-9-+]*[a-z0-9])$",
      "title": "Key",
      "type": "string"
    }
  },
  "$id": "https://gobl.org/draft-0/cbc/key",
  "$ref": "#/$defs/Key",
  "$schema": "https://json-schema.org/draft/2020-12/schema"
}