I need help to suppress robot inactive alerts if ping failed alert exists.
You can find information like this in the Broadcom UIM Community. Here are two sample links on this subject:
Alarm Suppression using LUA
https://community.broadcom.com/communities/community-home/digestviewer/viewthread?MID=735934
How to suppress robot inactive alarm over ping failure?
https://community.broadcom.com/communities/community-home/digestviewer/viewthread?MID=803381
The community post: "Alarm Suppression using LUA" is the best place to start.
You can either respond to that post or post a new message to the Broadcom UIM community if your requirements are slightly different.
https://community.broadcom.com/communities/community-home/digestviewer/viewthread?MID=803381