From f153cfe204ef92265d94eb66f2fcf6cf2b0ced13 Mon Sep 17 00:00:00 2001
From: Anthony Castelli <neueanthony@me.com>
Date: Thu, 18 Oct 2018 10:03:54 -0700
Subject: [PATCH] Make Invoice ID's optional. Fixes #80

---
 Sources/Stripe/Models/Invoices/Invoice.swift         | 2 +-
 Sources/Stripe/Models/Invoices/InvoiceItem.swift     | 2 +-
 Sources/Stripe/Models/Invoices/InvoiceLineItem.swift | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Sources/Stripe/Models/Invoices/Invoice.swift b/Sources/Stripe/Models/Invoices/Invoice.swift
index 97698ac..6e497df 100644
--- a/Sources/Stripe/Models/Invoices/Invoice.swift
+++ b/Sources/Stripe/Models/Invoices/Invoice.swift
@@ -14,7 +14,7 @@ import Foundation
  */
 
 public struct StripeInvoice: StripeModel {
-    public var id: String
+    public var id: String?
     public var object: String
     public var amountDue: Int?
     public var applicationFee: Int?
diff --git a/Sources/Stripe/Models/Invoices/InvoiceItem.swift b/Sources/Stripe/Models/Invoices/InvoiceItem.swift
index bdb23b0..2e3b428 100644
--- a/Sources/Stripe/Models/Invoices/InvoiceItem.swift
+++ b/Sources/Stripe/Models/Invoices/InvoiceItem.swift
@@ -14,7 +14,7 @@ import Foundation
  */
 
 public struct StripeInvoiceItem: StripeModel {
-    public var id: String
+    public var id: String?
     public var object: String
     public var amount: Int?
     public var currency: StripeCurrency?
diff --git a/Sources/Stripe/Models/Invoices/InvoiceLineItem.swift b/Sources/Stripe/Models/Invoices/InvoiceLineItem.swift
index 59cb478..fed56b8 100644
--- a/Sources/Stripe/Models/Invoices/InvoiceLineItem.swift
+++ b/Sources/Stripe/Models/Invoices/InvoiceLineItem.swift
@@ -14,7 +14,7 @@ import Foundation
  */
 
 public struct StripeInvoiceLineItem: StripeModel {
-    public var id: String
+    public var id: String?
     public var object: String
     public var amount: Int?
     public var currency: StripeCurrency?