{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/registrar-api_telephone",
  "title": "registrar-api_telephone",
  "description": "User's telephone number",
  "example": "+1 123-123-1234",
  "maxLength": 20,
  "nullable": true,
  "type": "string"
}