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Since catalog items are only relevant in relation to some of the other modules, the catalog module is automatically enabled if a relevant module (Reservations, Work orders, Contracts, Purchase orders or , Energy meters) is enabled.
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For an (end) user manual, see: User manual: Catalog items
For more detailed implementation information (including which system groups are involved, data imports, and more information on the startboard and navigation menu options), see the module activation articles for some of the related modules mentioned above: Module activations