{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Identifier",
  "description": "An OTP code (6 digit code) or a static Offer code (4 digit code)",
  "$id": "https://raw.githubusercontent.com/api-evangelist/restaurant-brands/refs/heads/main/json-schema/channel-identifier-schema.json",
  "type": "string",
  "pattern": "^(\\d{6}|\\d{4})$",
  "example": "1234"
}