{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/vault_id",
  "title": "vault_id",
  "type": "string",
  "description": "The PayPal-generated ID for the vaulted payment source. This ID should be stored on the merchant's server so the saved payment source can be used for future transactions.",
  "minLength": 1,
  "maxLength": 255,
  "pattern": "^[0-9a-zA-Z_-]+$"
}