# PCPServerSDK::SepaDirectDebitPaymentProduct771SpecificInput ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **existing_unique_mandate_reference** | **String** | The unique reference of the existing mandate to use in this payment. | [optional] | | **mandate** | [**ProcessingMandateInformation**](ProcessingMandateInformation.md) | | [optional] | ## Example ```ruby require 'PCP-server-Ruby-SDK' instance = PCPServerSDK::SepaDirectDebitPaymentProduct771SpecificInput.new( existing_unique_mandate_reference: exampleMandateReference, mandate: null ) ```