| # How to use the Planning and Requirement (PSS) module The Requirements Planning module consists of a Planning and a Requirement business object. The module organizes the data in these parts and creates a project plan that guides your projects. The following topics are available: Using planning and requirements scheduling Using an activity structure To use baselines in Project Generating planned PRP orders How to use planned PRP purchase orders Using planned PRP warehouse orders Using order history To use a plan Using rescheduling messages To use an external scheduling package |