How to Update existing Incident?

Hello Everyone!!! I need your guidance with one of the requirement.

I've created an inbound action to create Incident for the Server Down notifications received from WhatsUp Gold tool. Is there any way I can update the existing incident when a particular Server comes up and SN gets an Up notification. I would Like to append the description and change the Incident status to pending or close upon identifying that the server is up.

Here is the notification format.

Subject: Down notification--> Windows Server is Down at least 5 min (xxxxx004.eu.abc..intra).

Up notification --> Windows Server is Up at least 5 min (xxxxx004.eu.abc..intra).

Description : Ping is Down/Up at least 5 min on Windows Server: xxxxx004.eu.abc..intra (10.20.30.40).

Details:
Monitors that are down include: Ping

Monitors that are up include:

Notes on this device (from device property page):
This device was scanned by discovery on 4/18/2018 11:27:47 AM.

----------------------------------------
This mail was sent on August 08, 2018 at 11:31:22
Ipswitch WhatsUp Gold