Here the user can select which implementation of the extended tests shall be used. If the implementation "Default" is selected then the extended text lines will be inserted as lines of the document.
If the app NCDT is installed, the app Item Reference Document Text can be installed, this enables the Item Reference Extended Texts to be inserted as document texts.
Item Reference - Extended TextsFields
Extended Text Implementation
Specifies the implementation which shall be used to transfer the extended text lines of the item references to the Document. If the implementation "Default" is chosen, then the extended text lines will be inserted as lines of the document.