staempfli/magento2-module-checkout-newsletter-subscription

<?xml version="1.0"?>
<page layout="checkout" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <referenceBlock name="checkout.root">
        <arguments>
            <argument name="jsLayout" xsi:type="array">
                <item name="components" xsi:type="array">
                    <item name="checkout" xsi:type="array">
                        <item name="children" xsi:type="array">
                            <item name="steps" xsi:type="array">
                                <item name="children" xsi:type="array">
                                    <item name="billing-step" xsi:type="array">
                                        <item name="children" xsi:type="array">
                                            <item name="payment" xsi:type="array">
                                                <item name="children" xsi:type="array">
                                                    <item name="additional-payment-validators" xsi:type="array">
                                                        <item name="children" xsi:type="array">
                                                            <item name="newsletter-validator" xsi:type="array">
                                                                <item name="component" xsi:type="string">Staempfli_CheckoutNewsletterSubscription/js/view/newsletter-validator</item>
                                                            </item>
                                                        </item>
                                                    </item>
                                                    <item name="payments-list" xsi:type="array">
                                                        <item name="children" xsi:type="array">
                                                            <item name="before-place-order" xsi:type="array">
                                                                <item name="children" xsi:type="array">
                                                                    <item name="newsletter-subscription" xsi:type="array">
                                                                        <item name="component" xsi:type="string">Staempfli_CheckoutNewsletterSubscription/js/view/newsletter</item>
                                                                    </item>
                                                                </item>
                                                            </item>
                                                        </item>
                                                    </item>
                                                </item>
                                            </item>
                                        </item>
                                    </item>
                                </item>
                            </item>
                        </item>
                    </item>
                </item>
            </argument>
        </arguments>
    </referenceBlock>
</page>