Alerting: Stop After

Hi all, on the info web page for a host, is a column named Stop After. I would like to be able to configure this column. I have not noticed any information about this.

See below:

Alerting: Service Recipient 1st Delay Stop after Repeat Time of Day Colors conn annaj at hi.is (R) 15m - 4h W:0700:2259 yellow

-- Kindest Regards, Anna Jonna Ármannsdóttir, %& A: Because people read from top to bottom. Unix System Aministration, Computing Services, %& Q: Why is top posting bad? University of Iceland.