Field as super
Field
Description
Field definition
Select the field referencing the business object for which you want to import data.
Part of search key*
Indicate whether the selected field is (part of) the search criteria used for identifying the correct business object. To uniquely identify a business object, it is possible to specify multiple fields.
* 
If a field is marked as search key and a business object is found, this field will not be updated. Consequently, read-only or system fields can be used as search key.
Import-export business object definition*
Select the import-export business object into which you want to import data or from which you want to export data.
Referenced import-export definition*
Select the field referring to the business object into which you want to import data.
Example
Import all properties and the persons linked those properties.