public function __construct(\Mailchimp $chimp)
{
# make the passed Mailchimp instance available to the class
$this->chimp = $chimp;
# grab the standard lists array so we can access the list id's
$this->lists = Lister::getLists();
}
/**
* add an array of form fields to a specified Mailchimp form
*/
public function addFieldsToList($listName, $fields = [])
{
$lister = new SubscriberList($this->chimp);
return $lister->addListFields($listName, $fields);
}