| PageOptional | : | Page Number | 
                                        
                                                | ItemsPerPageOptional | : | Items Per Page (Max Upto 200) | 
                                        
                                                | PurchaseOrderNumberOptional | : | If Purchase Order Number is specified, It retrieves Purchase Order with specified number | 
                                        
                                                | ExternalOrderNumberOptional | : | Purchase Order External Order Number (Pattern Search) | 
                                        
                                                | CustomerIdOptional | : | Customer Unique Identifier(GUID) | 
                                        
                                                | ClientEmailOptional | : | Client Email | 
                                        
                                                | ClientCompanyOptional | : | Client Company Name | 
                                        
                                                | ShippingStatusOptional | : | Shipping Status (Pending = 1/ PartiallyShipped = 2/ Shipped = 3/ Delivered = 4/ eDelivered = 5/ Failed = 6) | 
                                        
                                                | PaymentStatusOptional | : | Payment Status (NotPaid = 1/ PartiallyPaid = 2/ Paid = 3) | 
                                        
                                                | PurchaseOrderStatusOptional | : | PO Status (Open = 1/ Close = 2/ Void = 3/ OpenWithHoldingBroker = 4/ DropShipment = 5) | 
                                        
                                                | PurchaseOrderTypeOptional | : | PO Type (Standard = 1/ Spec = 2/ Consignment = 3/ Advance Sale = 4/ Broker Hub Purchase = 5) | 
                                        
                                                | SourceOptional | : | Deprecated :: V3 PO Source (BrokerHub = 1/ eBay = 2/Vivid Seats = 3/ RazorGator = 4/ Ticket Evo = 5/ StubHub = 6/ Tickets Now = 7/ IOS = 8/ Ticket City = 9/ API = 10/ ScoreBig = 11/ OOTW = 12/ TickPick = 13/ FanXChange = 14/ Minnetonka = 15/ TicketNetwork = 16/ Contender.Com = 17/ Seatwave = 18/ Ticket Monster = 19/ POS = 100/ RocketPoster = 101/ Charged.fm = 102/ Viagogo = 103/ Zigabid = 104/ LiveNation = 105/ Ticket Technology = 106/ Seat Geek = 107/ Get Me In = 108/ Rukkus = 109/ GameTime = 110/ SeatSmart = 111) | 
                                        
                                                | FromPODateOptional | : | From Purchase Order Date in ISO 8601 Format (Ex. 2013-06- 21T05:32:07) | 
                                        
                                                | ToPODateOptional | : | To Purchase Order Date in ISO 8601 Format (Ex. 2013-06- 21T05:32:07) | 
                                        
                                                | UpdatedSinceOptional | : | Updated Date in ISO 8601 Format (Ex. 2013-06- 21T05:32:07) | 
                                        
                                                | OrderByOptional | : | Order By (PONumber = 1/ PODate = 2/ ModifiedDate = 3) | 
                                        
                                                | SortOrderOptional | : | Sort Order (ASC = 1/ DESC = 2) |