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How to Add Custom Customer Attribute in Registration Form in Magento 2

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#1 Meetanshi


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Posted 07 June 2021 - 02:51 PM

Offering the best products, services, and customer experience is one of the most essential tasks in an eCommerce store that makes it possible to know the customer base. One such aspect to fulfil those requirements, the store owner needs to add custom customer attribute in registration form in Magento 2.


The store owner can create fields that are not a part of the default Magento 2 like mobile number, interest/hobbies, images, GST number, etc. Collect maximum customer information using such tactics.


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#2 JiMMy2021



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Posted 23 July 2021 - 03:57 PM



I have created a custom attribute for customer in Magento 2 site.


The HTML template of the field is this:

<input type="text"
name="<?= $block->escapeHtmlAttr($block->getFieldName('custom')) ?>"
value="<?= $block->escapeHtmlAttr($block->getObject()->getCustom()) ?>"
title="<?= $block->escapeHtmlAttr($block->getAttributeData()->getFrontendLabel('custom')) ?>"
data-validate="{required:true, 'validateData':true}">

Look at all `$block` calls. None of them works.


`$block->getFieldName('custom')` returns an empty string


`$block->getObject()->getCustom()` throws an exception because `getObject` is null


`$block->getAttributeData()->getFrontendLabel('custom')` throws an exception because `$block->getAttributeData()` is null.


How can I keep the value the user has entered in the custom field when page is reloaded?


The field value is something that should be retrieved dynamically, because if there is an error in the registration form, and the page is reloaded, all fields should be repopulated. This works for all standard fields but not for the custom ones.


This is how I an creating the attribute:

public function addCustomAttribute()
        $eavSetup = $this->eavSetupFactory->create();

                'type' => 'varchar',
                'label' => 'My label',
                'input' => 'text',
                'required' => 1,
                'visible' => 1,
                'user_defined' => 1,
                'sort_order' => 1,
                'position' => 1,
                'system' => 0,
                'is_used_in_grid' => true,
                'is_visible_in_grid' => true,
                'is_filterable_in_grid' => true,
                'is_searchable_in_grid' => true,

        $attributeSetId = $eavSetup->getDefaultAttributeSetId(Customer::ENTITY);
        $attributeGroupId = $eavSetup->getDefaultAttributeGroupId(Customer::ENTITY);

        $attribute = $this->eavConfig->getAttribute(Customer::ENTITY, 'custom');
        $attribute->setData('attribute_set_id', $attributeSetId);
        $attribute->setData('attribute_group_id', $attributeGroupId);

        $attribute->setData('used_in_forms', [


Any help, please?