<virtualType name="PayflowProCreditCardVaultFacade"
             type="Magento\Vault\Model\Method\Vault">
    <arguments>
        <argument name="config" xsi:type="object">
            PayflowProVaultPaymentConfig
        </argument>
        <argument name="valueHandlerPool" xsi:type="object">
            PayflowProVaultPaymentValueHandlerPool
        </argument>
        <argument name="vaultProvider" xsi:type="object">
            Magento\Paypal\Model\Payflow\Transparent
        </argument>
        <argument name="code" xsi:type="const">
            Magento\Paypal\Model\Payflow\Transparent::CC_VAULT_CODE
        </argument>
    </arguments>
</virtualType>

This is a virtual type configuration.

This configuration is for the base area. Base area configurations will apply to all the sub-applications.

This virtualType configuration tells the Object Manager when a user wants a virtual PayflowProCreditCardVaultFacade object that it should return a Magento\Vault\Model\Method\Vault object.

This configuration tells the Object Manager that when a user wants a PayflowProCreditCardVaultFacade object that the following arguments should be used in the foo object's constructor.

• $config = new PayflowProVaultPaymentConfig (...)
• $valueHandlerPool = new PayflowProVaultPaymentValueHandlerPool (...)
• $vaultProvider = new Magento\Paypal\Model\Payflow\Transparent (...)
• $code = Magento\Paypal\Model\Payflow\Transparent::CC_VAULT_CODE;