Update README.md

README.md

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 # WatchOsPushNotification
 A sample application to receive Push Notifications on WatchOS devices (Apple Watch) using the ParseSwift SDK
+
+# Don't forget to get:
+- Your App's Bundle ID (case sensitive, from XCode)
+- Your Team ID (from https://developer.apple.com on the top right section, under your username, a 10 characters String)
+- Your Key ID (From your certificate download page or from the name of the downloaded file such as: AuthKey_ABCDEFGHIJ.p8 , where ABCDEFGHIJ is the Key ID)
+- Upload your certificate as Development
+
+# Here's how to test it:
+- Send a message from the Dashboard -> More -> Push
+- Send a message from code:
+
+```
+Parse.Push.send(
+    {
+      where: {},
+      data: {
+        alert: "GCM",
+        badge: 123,
+        title: 'Test title'
+      }
+    },
+    { useMasterKey: true },
+  );
+```