How to create a custom field on customer account information section in Adobe commerce

Use the data patch setup on AdobeC

Create Setup -> Patch -> Data -> AddCustomAttribute.php

<?php

namespace JJCustomerNetsuiteFieldSetupPatchData;

use MagentoEavSetupEavSetupFactory;

use MagentoFrameworkSetupModuleDataSetupInterface;

use MagentoFrameworkSetupPatchDataPatchInterface;

use MagentoCustomerSetupCustomerSetupFactory;

use MagentoCustomerModelCustomer;

class AddCustomAttribute implements DataPatchInterface

{

  private $eavSetupFactory;

  private $customerSetupFactory;

  private $moduleDataSetup;

  public function __construct(

    EavSetupFactory $eavSetupFactory,

    CustomerSetupFactory $customerSetupFactory,

    ModuleDataSetupInterface $moduleDataSetup

  ) {

    $this->eavSetupFactory = $eavSetupFactory;

    $this->customerSetupFactory = $customerSetupFactory;

    $this->moduleDataSetup = $moduleDataSetup;

  }

  public function apply()

  {

    $customerSetup = $this->customerSetupFactory->create([‘setup’ => $this->moduleDataSetup]);

    $customerEntity = $customerSetup->getEavConfig()->getEntityType(‘customer’);

    $attributeSetId = $customerEntity->getDefaultAttributeSetId();

    $customerSetup->addAttribute(Customer::ENTITY, ‘netsuite_id’, [

      ‘type’ => ‘varchar’,

      ‘label’ => ‘Netsuite Id’,

      ‘input’ => ‘text’,

      ‘required’ => false,

      ‘visible’ => true,

      ‘user_defined’ => true,

      ‘position’ => 999,

      ‘system’ => 0,

    ]);

    $attribute = $customerSetup->getEavConfig()->getAttribute(Customer::ENTITY, ‘netsuite_id’)

      ->addData([

        ‘attribute_set_id’ => $attributeSetId,

        ‘attribute_group_id’ => $customerSetup->getDefaultAttributeGroupId($attributeSetId),

        ‘used_in_forms’ => [

          ‘adminhtml_customer’

        ],

      ]);

    $attribute->save();

  }

  public function getAliases()

  {

    return [];

  }

  public static function getDependencies()

  {

    return [];

  }

}