# VcPrepareFields ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **api_password** | **String** | API password. | **call_id** | **String** | Visa Checkout Call Id | **language** | Option<[**crate::models::Language**](language.md)> | | [optional] **sign** | **String** | Sign is calculated from cryptographic hash function set in Merchant’s Panel (default SHA-1): hash_alg (method + call_id + language + verification code) where + means concatenation. | [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)