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New EDTs, extend property

Posted on by 1,548
Hi,

If i created two string EDTs one with 40 characters and one with 17 characters.

what should I fill the /Extends/ property with?
  • Suggested answer
    Hana Xue Profile Picture
    Hana Xue Microsoft Employee on at
    New EDTs, extend property
    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
  • André Arnaud de Calavon Profile Picture
    André Arnaud de Cal... 290,246 Super User 2024 Season 2 on at
    New EDTs, extend property
    HI Junior,
     
    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.
  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 228,041 Super User 2024 Season 2 on at
    New EDTs, extend property
    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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