Add Message title property

Author: ddedic

src/ExpoMessage.php

@@ -6,6 +6,13 @@
 
 class ExpoMessage
 {
+    /**
+     * The message title.
+     *
+     * @var string
+     */
+    protected $title;
+
     /**
      * The message body.
      *
@@ -71,6 +78,20 @@ public function __construct(string $body = '')
         $this->body = $body;
     }
 
+    /**
+     * Set the message title.
+     *
+     * @param string $value
+     *
+     * @return $this
+     */
+    public function title(string $value)
+    {
+        $this->title = $value;
+
+        return $this;
+    }
+
     /**
      * Set the message body.
      *
@@ -185,6 +206,7 @@ public function setJsonData($data)
     public function toArray()
     {
         return [
+            'title'     =>  $this-
             'body'      =>  $this->body,
             'sound'     =>  $this->sound,
             'badge'     =>  $this->badge,