function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
AFTAB ALI 6AFTAB ALI 6 

what is case escalation in salesforce ?

VinayVinay (Salesforce Developers) 
Case escalation rules in Salesforce are used to reassign and optionally notify individuals when a case is not closed within a specified time period. Generic Use cases for escalation rule. To notify the management if the high priority cases are still open after a specific amount of time.

https://trailhead.salesforce.com/content/learn/projects/create-a-process-for-managing-support-cases/create-an-escalation-rule
https://www.apexhours.com/case-escalation-rule/

Kindly check on trailhead(https://trailhead.salesforce.com/) you can get more details along with example. 

Please mark as Best Answer if above information was helpful.

Thanks,