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        To view a timeline, do one of the following:
         From the global toolbar, click   > Product Line > Products.Access a portfolio's Contents page.Access the Properties page of a model and click Product Revisions from the Categories menu.
        
          Check one or more products or models for which you want to view a timeline.
        
        
        
      
        
          Click View Timeline from the page Actions menu or toolbar. The Timeline page opens.
        
        
          
          
  
        
          Click any of the following from the page toolbar to work with the timeline:
        
         View. Select a view of the timeline based on a unit of time: weeks (default), months, quarters, or years.Reset. If the milestones are filtered based on some filter criteria, you can click Reset to clear the filter options so that all milestones are displayed.Filter. You can filter the milestones depending upon the selected values of the relationship attribute between the roadmap object and milestone. For details, see Filtering Timelines.
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