1. A method comprising: performing a correlation search associated with a service provided by one or more entities that each have corresponding machine data, the service having one or more key performance indicators (KPIs), each KPI defined by a KPI search query that derives a value from the corresponding machine data to indicate a measure of the service at a point in time or during a period of time, thereby transforming machine data to the value indicating the measure, wherein the correlation search comprises a search criteria pertaining to stored values of the one or more KPIs, and a triggering condition evaluated against one or more values derived from stored values identified by the search criteria; and automatically recording a notable event in computer storage in response to a satisfaction of the triggering condition; and causing display of a graphical user interface (GUI) presenting information pertaining to the notable event; wherein the method is performed by one or more processing devices coupled to the computer storage.