# # GetCustomerByReferenceID400ResponseAllOf ```php use Xendit\Customer\GetCustomerByReferenceID400ResponseAllOf; ``` ## Properties | Name | Type | Required | Description | Examples | |------------|:-------------:|:-------------:|-------------|:-------------:| | **error_code** | **string** | | | ENTITY_NOT_FOUND_ERROR | | **message** | **mixed** | | | Entity does not exist | [[Back to README]](../../README.md)