lib/LineItemsService.php
public function all($order_id, $params = [], array $options = array())
  {
    list($code, $line_items) = $this->httpClient->get("/orders/{$order_id}/line_items", $params, $options);
    return $line_items;
  }
public function all($order_id, $params = [], array $options = array())
  {
    list($code, $line_items) = $this->httpClient->get("/orders/{$order_id}/line_items", $params, $options);
    return $line_items;
  }
public function all ( $ order_id , $ params = [ ] , array $ options = array ( ) ) { list ( $ code , $ line_items ) = $ this -> httpClient -> get ( "/orders/{$order_id}/line_items" , $ params , $ options ) ; return $ line_items ; }
Retrieve order's line items

get '/orders/{order_id}/line_items'

Returns all line items associated to order

@param integer $order_id Unique identifier of a Order
@param array $params Search options
@param array $options Additional request's options.

@return array The list of LineItems for the first page, unless otherwise specified.
Retrieve order s line items