Usage of MDM's material master relevant XI Content and Business Content

Dear all,

In MDM's material-relevant XI content, there's a message interface "MDMMatmasIn". But in the demo system this interface is not used to write material master data to file. The IDoc type MATMAS.MATMAS05 is used instead. No mapping is used. May I ask why?

I tried the 00_MATMAS05_R3.map file and can import file in the format of MATMAS.MATMAS05. But some value mappings are not done and have to be added manually. Do I miss precedent steps?

In MDM Business content, there're lots of import map files like 00_MATMAS05_R3.map and 03b_Units_SAP_R3.map. During the data consolidation procedure, should we just use one map to import the IDoc-XML file? Shouldn't we first use other map file to fill the lookup tables? If not, what are those map files used for? Is there any document about the usage of those map files?

Very sorry for asking so many questions. I'm very new in this area and desperately need help...

Best Regards

Jerome