Why is not my payment method showing?

I have these files in my payment method module module is enabled but I cant see payment option in checkout.root … what am I doing wrong?

checkout_index_index.xml

<?xml version="1.0"?>
 <page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column"
  xsi:noNamespaceSchemaLocation="../../../../../../../lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd">
<body>
    <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="component" xsi:type="string">uiComponent</item>
                                        <item name="children" xsi:type="array">
                                            <item name="payment" xsi:type="array">
                                                <item name="children" xsi:type="array">
                                                    <item name="renders" xsi:type="array">
                                                        <!-- merge payment method renders here -->
                                                        <item name="children" xsi:type="array">
                                                            <item name="custom_payment" xsi:type="array">
                                                                <item name="component" xsi:type="string">
                                                                    Acme_Pos/js/view/payment/custom_payment
                                                                </item>
                                                                <item name="methods" xsi:type="array">
                                                                    <item name="custom_payment" xsi:type="array">
                                                                        <item name="isBillingAddressRequired"
                                                                              xsi:type="boolean">true
                                                                        </item>
                                                                    </item>
                                                                </item>
                                                            </item>
                                                        </item>
                                                    </item>
                                                </item>
                                            </item>
                                        </item>
                                    </item>
                                </item>
                            </item>
                        </item>
                    </item>
                </item>
            </argument>
        </arguments>
    </referenceBlock>
</body>

Acme/Pos/view/frontend/web/js/view/payment/method-renderer/custom_method_renderer.js

 define(
[
    'jquery',
    'Magento_Payment/js/view/payment/iframe',
    'Magento_Checkout/js/action/set-payment-information'
],
  function ($, Component, setPaymentInformationAction) {
    'use strict';
    return Component.extend({
        defaults: {
            template: 'Acme_Pos/payment/custom-payment'
        },
});
}
 );

Acme/Pos/view/frontend/web/js/view/payment/custom_payment.js

  define(
   [
    'uiComponent',
    'Magento_Checkout/js/model/payment/renderer-list'
],
function (
    Component,
    rendererList
) {
    'use strict';
    rendererList.push(
        {
            type: 'custom_payment',
            component: 'Acme_Pos/js/view/payment/method-renderer/custom-payment-renderer'
        }
    );
    /** Add view logic here if needed */
    return Component.extend({});
}
    );