1. Add milestone fields.FieldDescriptionMilestone StatusThe milestone’s status.Milestone Status IconAn icon that corresponds to the milestone status: Compliant Open ViolationClosed ViolationNote In Lightning Experience: The Milestone Status Icon field on cases isn’t available.Entitlement Process Start TimeThe time the record enters the entitlement process.Entitlement Process End TimeThe time the record exits the entitlement process.
2. Compliant
3. Open Violation
4. Closed Violation
5. Add the Case Milestones or Object Milestones related list to display the record’s milestones.In Lightning Experience, the Case Milestones related list isn’t supported, and only certain fields in the Object Milestones related list are supported.