Untitled

<?xml version="1.0"?>

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-2columns-left"
      xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
    <body>
        <referenceContainer name="content">
            <block class="NamespaceModuleBlockAdminhtmlCustomerEdit" name="customer_block_adminhtml_index_edit_custom" cacheable="false" template="Namespace_Module::customer_index_edit.phtml" />
        </referenceContainer>
    </body>
</page>

<?php

namespace NamespaceModuleBlockAdminhtmlCustomer;

use MagentoCustomerApiAccountManagementInterface;
use MagentoCustomerApiCustomerRepositoryInterface;
use MagentoCustomerControllerRegistryConstants;

class Edit extends MagentoBackendBlockWidgetFormContainer
{
    public function __construct(
        MagentoBackendBlockWidgetContext $context,
        MagentoFrameworkRegistry $registry,
        AccountManagementInterface $customerAccountManagement,
        CustomerRepositoryInterface $customerRepository,
        MagentoCustomerHelperView $viewHelper,
        array $data = []
    ) {
        $this->_coreRegistry = $registry;
        $this->customerAccountManagement = $customerAccountManagement;
        $this->customerRepository = $customerRepository;
        $this->_viewHelper = $viewHelper;
        parent::__construct($context, $data);
    }
}

<h1> This is new section </h1>