Extending MBO’s gives you the ability to add more functionality to Maximo to better fit any business need.  I have found a good article on the basics of extending MBO’s in Maximo 6. The same principle apply if you want to extend objects for Maximo 7.  [TAIC-SAMS]

That link is no longer available.  Here are some more recent articles to help you out…

• Extending Maximo Business Objects [Maximo Dev]
• First Step in Maximo Development – Understanding Mbo’s and MboSet’s [MaximoKB]
• Maximo Developer 101 – Working with Business Objects [Maximo-Teach]