Schedule Management > Creating and managing schedules > Defining tasks, milestones, and work breakdowns
Create a milestone
Milestones are defined to be tasks with zero duration. You use a milestone to identify a key date or key deliverable.
Procedure
Position the cursor in the task table on the task directly above where you want to place the milestone.
Choose File → New → Milestone.
The milestone is added to the task table and is labeled Milestone.
Results
- You can also convert an existing task to a milestone by setting its Task Duration value to zero hours.
- You can also convert an existing milestone to a task by setting its Task Duration value to greater than zero hours.
Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.plm00054/creating_milestones · retrieved 2026-07-10