I need to suppress alerts + incident creation when CI's in maintenance mode

[samrat]

I need OOB or any other simple way step by step process to suppress alerts + incident creation when CI's in maintenance mode please let me know this will be helpful for me

[Ravindra Kaja]

Hi Samrat, you can activate Maintenance Rules to skip execution of Alert rules for maintenance CI's which suppress Incident creation. To avoid alert creation, you need customization. Please refer to this article https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0748762

[samrat]

But in Doc They have mentioned script includes(search for EvtMgmtCustom_*) there are  4 script includes so in which script include if you returnfalse, the event will be marked as 'Processed' and ignored.  please check below ss