<virtualType name="AmazonCommandPool"
             type="Magento\Payment\Gateway\Command\CommandPool">
    <arguments>
        <argument name="commands" xsi:type="array">
            <item name="authorize" xsi:type="string">
                AmazonAuthorizeCommand
            </item>
            <item name="capture" xsi:type="string">
                AmazonCaptureStrategyCommand
            </item>
            <item name="sale" xsi:type="string">
                AmazonSaleCommand
            </item>
            <item name="settlement" xsi:type="string">
                AmazonSettlementCommand
            </item>
            <item name="void" xsi:type="string">
                AmazonVoidCommand
            </item>
            <item name="cancel" xsi:type="string">
                AmazonVoidCommand
            </item>
            <item name="refund" xsi:type="string">
                AmazonRefundCommand
            </item>
        </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 AmazonCommandPool object that it should return a Magento\Payment\Gateway\Command\CommandPool object.

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

• $commands = [...items...];

<virtualType name="AmazonSaleCommand"
             type="Amazon\Payment\Gateway\Command\AmazonAuthCommand">
    <arguments>
        <argument name="requestBuilder" xsi:type="object">
            Amazon\Payment\Gateway\Request\AuthorizationRequestBuilder
        </argument>
        <argument name="handler" xsi:type="object">
            Amazon\Payment\Gateway\Response\CompleteSaleHandler
        </argument>
        <argument name="transferFactory" xsi:type="object">
            Amazon\Payment\Gateway\Http\TransferFactory
        </argument>
        <argument name="validator" xsi:type="object">
            AmazonAuthorizationValidators
        </argument>
        <argument name="client" xsi:type="object">
            Amazon\Payment\Gateway\Http\Client\CaptureClient
        </argument>
        <argument name="errorMessageMapper" xsi:type="object">
            Amazon\Payment\Gateway\ErrorMapper\VirtualErrorMessageMapper
        </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 AmazonSaleCommand object that it should return a Amazon\Payment\Gateway\Command\AmazonAuthCommand object.

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

• $requestBuilder = new Amazon\Payment\Gateway\Request\AuthorizationRequestBuilder (...)
• $handler = new Amazon\Payment\Gateway\Response\CompleteSaleHandler (...)
• $transferFactory = new Amazon\Payment\Gateway\Http\TransferFactory (...)
• $validator = new AmazonAuthorizationValidators (...)
• $client = new Amazon\Payment\Gateway\Http\Client\CaptureClient (...)
• $errorMessageMapper = new Amazon\Payment\Gateway\ErrorMapper\VirtualErrorMessageMapper (...)