Diagnosis
When an additionals IDoc is generated, a key is used for which theapplication data is read, prepared and then finally added to the IDoc.The key is made up of the following components :

• logical message message category (standard: WTADDI)

This message category defines the data content for generating IDocsusing the segments assigned to the category.

• IDoc recipient


• Material for which data is prepared and assigned to the additional.


• Unit of measure

For example, different prices are valid for a carton than for one soleunit.

• Reference document

This is made up of header number, item numbers, and even schedule linenumbers.
There is at least one additional for this key. In addition, more plantsor customers can exist for the key and sales conditions must be definedfor them.