From 0e227c8393f5416b51f47deab32e1d4cbf93d78a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matha=CC=88us=20Zingerle?= <mathaeus.zingerle@willhaben.at>
Date: Wed, 21 Nov 2018 12:06:09 +0100
Subject: [PATCH] Added method to add thread-id to aps, see
 https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/RemoteNotificationsPG/PayloadKeyReference.html,
 in order to support the new iOS 12 feature to group notifications on the iOS
 device

---
 src/main/java/com/clevertap/apns/Notification.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/java/com/clevertap/apns/Notification.java b/src/main/java/com/clevertap/apns/Notification.java
index 166b1d0..2cc6ae2 100644
--- a/src/main/java/com/clevertap/apns/Notification.java
+++ b/src/main/java/com/clevertap/apns/Notification.java
@@ -223,6 +223,11 @@ public Builder badge(int badge) {
             return this;
         }
 
+        public Builder threadId(String threadId) {
+            aps.put("thread-id", threadId);
+            return this;
+        }
+
         public Builder customField(String key, Object value) {
             root.put(key, value);
             return this;