"customer" attribute not getting saved from admin magento 2 code example

Example: "customer" attribute not getting saved from admin magento 2

$customAttribute->addData([
            'attribute_set_id' => $attributeSetId,
            'attribute_group_id' => $attributeGroupId,
            'used_in_forms' => ['adminhtml_customer', 'customer_account_edit']
        ]);