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Customize the view of a checkout step

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What's in this topic

This topic contains the basic information about how to customize the view of an existing checkout step. In the Magento application, checkout is implemented using UI components, so you can customize each step in the process by changing the JavaScript implementation or template for a component, adding a component or disabling a component.

Change the component鈥檚 .js implementation and template

To change the .js implementation and template used for components rendering, you need to declare the new files in the checkout page layout. To do this, take the following steps:

  1. In your custom module directory, create the following new file: <your_module_dir>/view/frontend/layout/checkout_index_index.xml. (For your checkout customization to be applied correctly, your custom module should depend on the Magento_Checkout module.)
  2. In this file, add the following:
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceBlock name="checkout.root">
                <arguments>
                    <argument name="jsLayout" xsi:type="array">
                        <!-- Your customization will be here -->
                        ...
                    </argument>
                </arguments>
    </body>
</page>

  1. In the <Magento_Checkout_module_dir>/view/frontend/layout/checkout_index_index.xml file, find the component that you need to customize. Copy the corresponding node and all parent nodes up to <argument>. There is no need to leave all the attributes and values of parente nodes, as you are not going to change them.

  2. Change the path to the component鈥檚 .js file, template or any other property.

Example:

The Magento_Shipping module adds a component rendered as a link to the Shipping Policy info to the Shipping step:

<Magento_Shipping_module_dir>/view/frontend/layout/checkout_index_index.xml looks like following:

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn: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="shipping-step" xsi:type="array">
                                            <item name="children" xsi:type="array">
                                                <item name="shippingAddress" xsi:type="array">
                                                    <item name="children" xsi:type="array">
                                                        <item name="before-shipping-method-form" xsi:type="array">
                                                            <item name="children" xsi:type="array">
                                                                <item name="shipping_policy" xsi:type="array">
                                                                    <item name="component" xsi:type="string">Magento_Shipping/js/view/checkout/shipping/shipping-policy</item>
                                                                </item>
                                                            </item>
                                                        </item>
                                                    </item>
                                                </item>
                                            </item>
                                        </item>
                                    </item>
                                </item>
                            </item>
                        </item>
                    </item>
                </argument>
            </arguments>
        </referenceBlock>
    </body>
</page>

Add the new component to the checkout page layout

Any UI component is added in the checkout_index_index.xml similar to the way a checkout step component is added.

Make sure that you declare a component so that it is rendered correctly by the parent component. If a parent component is a general UI component (referenced by the uiComponent alias), its child components are rendered without any conditions. But if a parent component is a an extenstion of a general UI components, then children rendering might be restricted in certain way. For example a component can render only children from a certain displayArea.

Disable a component

To disable the component in your checkout_index_index.xml use the following instructions:

<item name="%the_component_to_be_disabled%" xsi:type="array">
    <item name="config" xsi:type="array">
        <item name="componentDisabled" xsi:type="boolean">true</item>
    </item>
</item>