Ability to add subtitle for iOS push notification

README.md

@@ -97,6 +97,7 @@ class AccountApproved extends Notification
 - `web()`: Sets the platform value to web.
 - `link()`: Accepts a string value which will lead to URI specified on notification click.
 - `title('')`: Accepts a string value for the title.
+- `subtitle('')`: Accepts a string value for the subtitle (iOS).
 - `body('')`: Accepts a string value for the body.
 - `sound('')`: Accepts a string value for the notification sound file. Notice that if you leave blank the default sound value will be `default`.
 - `icon('')`: Accepts a string value for the icon file. (Android Only)

src/PusherMessage.php

@@ -17,6 +17,11 @@ class PusherMessage
      */
     protected string|null $title = null;
 
+    /**
+     * The message subtitle.
+     */
+    protected string|null $subtitle = null;
+
     /**
      * The phone number the message should be sent from.
      */
@@ -195,6 +200,19 @@ public function title(string $value): self
         return $this;
     }
 
+    /**
+     * Set the message subtitle.
+     *
+     * @param  string  $value
+     * @return $this
+     */
+    public function subtitle(string $value): self
+    {
+        $this->subtitle = $value;
+
+        return $this;
+    }
+
     /**
      * Set the message body.
      *
@@ -306,6 +324,10 @@ public function toiOS(): array
             ],
         ];
 
+        if ($this->subtitle) {
+            $message['apns']['aps']['alert']['subtitle'] = $this->subtitle;
+        }
+
         $this->formatMessage($message);
 
         return $message;

tests/MessageTest.php

@@ -72,6 +72,14 @@ public function it_can_set_the_title(): void
         $this->assertEquals('myTitle', Arr::get($this->message->toAndroid(), 'fcm.notification.title'));
     }
 
+    /** @test */
+    public function it_can_set_the_subtitle(): void
+    {
+        $this->message->subtitle('mySubTitle');
+
+        $this->assertEquals('mySubTitle', Arr::get($this->message->toiOS(), 'apns.aps.alert.subtitle'));
+    }
+
     /** @test */
     public function it_can_set_the_body(): void
     {