/**
  * Prepend the name fields to the default billing_info_fields added by the framework.
  *
  * @return array
  */
 public function billing_info_fields()
 {
     $fields = array(array('name' => 'lastName', 'label' => esc_html__('Last Name', 'gravityformspaypalpaymentspro'), 'required' => false), array('name' => 'firstName', 'label' => esc_html__('First Name', 'gravityformspaypalpaymentspro'), 'required' => false));
     return array_merge($fields, parent::billing_info_fields());
 }
 /**
  * Append the phone field to the default billing_info_fields added by the framework.
  *
  * @return array
  */
 public function billing_info_fields()
 {
     $fields = parent::billing_info_fields();
     $fields[] = array('name' => 'phone', 'label' => esc_html__('Phone', 'gravityformsauthorizenet'), 'required' => false);
     return $fields;
 }