Hi, As Andre said, if the two EDTs are separate there is no need to extend. If you want to extend any of these, please note: 1. If you set this property, neither you nor the extension can change the string size later. 2. The new string size can only be set to a value equal to or greater than the base EDT value. Best Regards, Hana
When you read the reply from Martin, you will learn the purpose of the Extends property. If these are stand-alone EDT's you should not fill this property.
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Martin Dráb230,371Most Valuable Professional
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You use the Extends property if you're making a specialization of another EDT. You inherit its properties and you can change some (not StringSize, which you seem to be interested in).
For example, you you can extend ItemId and create ReplacementItemId. It's still a kind of item ID, therefore it must be a string of the same length as ItemId, but you can change its label, for instance.
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