You can find the notification button on the right side of top tool bar in the app. Pressing this button will open up your most recent notifications. You can scroll down to see older notifications as well.
To reply directly to a notification:
- Tap the notification from the drop-down list.
- Tap the “Reply” text box at the bottom of the notification window and type your message.
- Tap “Post Reply” to add your reply.
Note: You can not remove notifications from the list at this time.