ProductAttributes

How to create a custom product attribute programmatically in Magento 2 in a better way

Goal

• add custom product attribute using setup db script

Step By Step Tutorials

• Create app/code/Bdcrops/ProductAttributes/registration.php

  Source

  <?php
      \Magento\Framework\Component\ComponentRegistrar::register(
          \Magento\Framework\Component\ComponentRegistrar::MODULE,
          'Bdcrops_ProductAttributes',
          __DIR__
      );
  

• Create app/code/Bdcrops/ProductAttributes/etc/module.xml

  Source

  ```
  <?xml version="1.0"?>
  <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
      <module name="Bdcrops_ProductAttributes" setup_version="1.0.0"/>
  </config>
  
  ```
  

• Create app/code/Bdcrops/ProductAttributes/Setup/InstallData.php

  Source

  ```
  <?php
  
  namespace Bdcrops\ProductAttributes\Setup;
  
  use Magento\Eav\Setup\EavSetup;
  use Magento\Eav\Setup\EavSetupFactory;
  use Magento\Framework\Setup\InstallDataInterface;
  use Magento\Framework\Setup\ModuleContextInterface;
  use Magento\Framework\Setup\ModuleDataSetupInterface;
  
  class InstallData implements InstallDataInterface {
  	private $eavSetupFactory;
  	public function __construct(EavSetupFactory $eavSetupFactory) {
  		$this->eavSetupFactory = $eavSetupFactory;
  	}
  
  	public function install(ModuleDataSetupInterface $setup, ModuleContextInterface $context)
  	{
  		$eavSetup = $this->eavSetupFactory->create(['setup' => $setup]);
  		$eavSetup->addAttribute(
  			\Magento\Catalog\Model\Product::ENTITY,
  			'sample_attribute',[
  				'type' => 'text',
  				'backend' => '',
  				'frontend' => '',
  				'label' => 'Sample Atrribute',
  				'input' => 'text',
  				'class' => '',
  				'source' => '',
  				'global' => \Magento\Eav\Model\Entity\Attribute\ScopedAttributeInterface::SCOPE_GLOBAL,
  				'visible' => true,
  				'required' => true,
  				'user_defined' => false,
  				'default' => '',
  				'searchable' => false,
  				'filterable' => false,
  				'comparable' => false,
  				'visible_on_front' => false,
  				'used_in_product_listing' => true,
  				'unique' => false,
  				'apply_to' => '' ]
  		);
  	}
  }
  
  ```
  

Ref:

https://www.mageplaza.com/magento-2-module-development/magento-2-add-product-attribute-programmatically.html https://meigeeteam.com/blog/how-to-create-custom-product-attribute-in-magento-2/