This program allows you to specify an Infor VISUAL® Manufacturing / Infor10 ERP Express engineering master and find all instances of other engineering masters where this part was used as a leg. Those instances can be updated to match the structure of the specified engineering master.  For example, see in the screenshot that the EM for part MMT-1196-WM-B with ease.

You simply fill in the engineering master that has changes to apply in the top portion of the window, click search to find all engineering masters that have used this part as a leg, check the ones you wish to update, and press the Update Selected button. The entire structure from the source EM will be loaded, including all legs, specifications, quantities, etc.