# MasspaymentCreateFields ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **csv** | **String** | Transfers list encoded with base64. Format has been described in metchod description | **api_password** | **String** | API password. | **sign** | **String** | Checksum to verify parameters received from Merchant. Generated according to outline below using SHA1 function: SHA1(seller_id + transfers list (before encrypting in base64) + Merchant confirmation code) Implementing checksum in PHP: sha1($seller_id. $csv . $confirmation_code) | [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)