MaterialYour customer uses Progress Tracking for network components and mantains dates of events manually.

To implement scheduling of events, event scenarios must be defined. Event scenarios are predefined sets of events that describe typical sequences of activities in a project. Events are points in time that mark the start or finish of an activity or a milestone. Event scenarios can be used to schedule events automatically based on their dependencies and priorities. Event scenarios can also be used to track and monitor the progress of events in a project. Reference:https://help.sap.com/docs/SAP_S4HANA_ON-PREMISE/4dd8cb7b1c484b4b93af84d00f60fdb8/0673b65334e6b54ce10000000a174cb4.html