How to add new Field In address customer

You can add new Field in address Field In Prestashop 1.7.5 and > 1.7

ADD in classes/Address.php

public $interphone;

'interphone' => array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'size' => 255),

Add this field in ps_address BD

And in :classes/form/CustomerAddressFormatter.php

$formField = new FormField();

$formField->setName('interphone');

$formField->setRequired(false);

$formField->setType('input');

$formField->setLabel("Innterphone");

$format["interphone"]=$formField;