The item IDs in third-party software can be stored in any of the ABC8 fields.
It is therefore necessary to inform the import on the fields concerned
6 external references can be configured in order of priority.
In the example above, the import will first look for a match in the STRING_1 field, if it does not find an item, it will look in the NUM_SELECTOR field.
The NUMREF identifiers of the file are parameterized in the lines of the grideditor setup.