I want to override the item layout in credit memo email template and want to add new column in that. I tried to override that but that item layout in email template is not showing.
Overridden email path:- app/design/frontend/<company_name>/<theme_name>/Magento_Sales/email/creditmemo_new.html
<!-- /** * Copyright © 2016 Magento. All rights reserved. * See COPYING.txt for license details. */ --> <!--@subject {{trans "Credit memo for your %store_name order" store_name=$store.getFrontendName()}} @--> <!--@vars { "var formattedBillingAddress|raw":"Billing Address", "var comment":"Credit Memo Comment", "var creditmemo.increment_id":"Credit Memo Id", "layout handle=\"sales_email_order_creditmemo_items\" creditmemo=$creditmemo order=$order":"Credit Memo Items Grid", "var this.getUrl($store, 'customer/account/')":"Customer Account URL", "var order.getCustomerName()":"Customer Name", "var order.increment_id":"Order Id", "var payment_html|raw":"Payment Details", "var formattedShippingAddress|raw":"Shipping Address", "var order.getShippingDescription()":"Shipping Description", "var order.shipping_description":"Shipping Description" } @--> {{template config_path="design/email/header_template"}} <table> <tr class="email-intro"> <td> <p class="greeting">{{trans "%name," name=$order.getCustomerName()}}</p> <p> {{trans "Thank you for your order from %store_name." store_name=$store.getFrontendName()}} {{trans 'You can check the status of your order by <a href="%account_url">logging into your account</a>.' account_url=$this.getUrl($store,'customer/account/',[_nosid:1]) |raw}} </p> <p> {{trans 'If you have questions about your order, you can email us at <a href="mailto:%store_email">%store_email</a>.' store_email=$store_email |raw}} </p> </td> </tr> <tr class="email-summary"> <td> <h1>{{trans "Your Credit Memo #%creditmemo_id for Order #%order_id" creditmemo_id=$creditmemo.increment_id order_id=$order.increment_id}}</h1> </td> </tr> <tr class="email-information"> <td> {{depend comment}} <table class="message-info"> <tr> <td> {{var comment|escape|nl2br}} </td> </tr> </table> {{/depend}} <table class="order-details"> <tr> <td class="address-details"> <h3>{{trans "Billing Info"}}</h3> <p>{{var formattedBillingAddress|raw}}</p> </td> {{depend order.getIsNotVirtual()}} <td class="address-details"> <h3>{{trans "Shipping Info"}}</h3> <p>{{var formattedShippingAddress|raw}}</p> </td> {{/depend}} </tr> <tr> <td class="method-info"> <h3>{{trans "Payment Method"}}</h3> {{var payment_html|raw}} </td> {{depend order.getIsNotVirtual()}} <td class="method-info"> <h3>{{trans "Shipping Method"}}</h3> <p>{{var order.getShippingDescription()}}</p> </td> {{/depend}} </tr> </table> {{layout handle="sales_email_order_creditmemo_items" creditmemo=$creditmemo order=$order}} </td> </tr> </table> {{template config_path="design/email/footer_template"}} 