If we need to store lot of custom data such as 1. Text Fields (5-10 Such fields) 2. Dates (10-12 Dates) 3. Comments 4. Numbers, etc perticular to one Project OR Network, please suggest how can we achieve this.
Usually classification was used in previous versions to provide attributes for a project, obviously the requirement for these ws driven by reporting and hence it was possible to summarise project data based on charateristics for controlling reporting.
In future versions I think from 4.5b onwards, SAP have suggested that summarisation should be done using master data (hecne the option in projet profile).
The question then was that if classification is not to be used for attributes or master data then what to do if a customer needs more master data than the standard fields.
For this SAP provides two options
1) User Defined fields - configurable for WBS and network activity
2) Use of exits CNEX* (you can get the detailed numbers from txn SMOD) for customer defined field on project defintion, WBS network activity etc.
In the new world for reporting, the summarisation hierarchy is built on this master data and not on characteristics.
Further suggestion - if you are implementing a new project go straight for exits, try to keep the user defined field for future. I fyou use all the user defined fields every time you need to add an attribute you have no option but to develop.
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