In Magento 1.9 there's this form in the magento admin:

account info

What's the best way to add an additional checkbox input to this form? I need this new checkbox/flag to be saved to the database.

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Attributes are the best bet for this job. Below script will help you to add an additional checkbox in the customer form

Create a script add.php in your root folder and use the below script, and call this script http://domain.com/add.php

 $baseDir = dirname(dirname(__FILE__));



 $installer = new Mage_Customer_Model_Resource_Setup('core_setup');

 $setup = new Mage_Eav_Model_Entity_Setup('core_setup');

 $entityTypeId     = $setup->getEntityTypeId('customer');
 $attributeSetId   = $setup->getDefaultAttributeSetId($entityTypeId);
 $attributeGroupId = $setup->getDefaultAttributeGroupId($entityTypeId, 

 $installer->addAttribute('customer', 'additional_checkbox', array(
    'label' => 'Additional Checkox',
    'visible'  => true,
    'input' => 'checkbox',
    'type'  => 'int',
    'source'  => 'eav/entity_attribute_source_table',
    'forms' => array('adminhtml_customer'),
    'required' => 0,
    'user_defined' => 0,

$attribute  = Mage::getSingleton("eav/config")->getAttribute("customer", 

   '99991'  //sort_order



 $attribute->setData("used_in_forms", $used_in_forms)
   ->setData("is_used_for_customer_segment", true)
   ->setData("is_system", 0)
   ->setData("is_user_defined", 1)
   ->setData("is_visible", 1)
   ->setData("sort_order", 100)
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  • I haven't tried it yet but thanks. So when I run this script it just adds some data to the database and I can then throw away the script? Should I make a module that contains this code? Where is the best documentation to learn about all the stuff you used in your code? – Ryan May 3 '19 at 2:32
  • The right place for this code is setup folder in a module mysql4-install-1.0.0.php. This will run only once, at the time of module installation. – Rinto George May 3 '19 at 19:54
  • Why do you have to specify the forms twice? – Ryan May 5 '19 at 2:05
  • @Ryan That is an error from my side – Rinto George May 5 '19 at 4:45

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