Symptoms

I am changing the Caption Name for the field, but the change does not reflect on the Data Form

Cause

The localization file is incorrect.

Resolution

• Open the document definition.
• Select the field the label of which you want to rename. It will be highlighted in Data form.​​
• Select the label of the field, press right mouse button and select properties.
• In the dialog box switch to Format tab and in Text field type the new name. Then press OK. The label is changed.
  
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• To change the recognition data form field names the localization options have to be changed.
  To perform that go to Document Definition > Localization > Localization options...
• In the opened dialog box select your Localizable language (check its status, it should be Localized), press Export... button and save it locally on your machine. Important: name of the file must be the same as localization (e.g. English (English).txt)
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• In the exported file the name of the field can be changed according to its parameter in section 
  // Shell messages // Label text and button names in the data form at the end of the file.
  For example: VATID_3 can be changed from VATID to Vendor VATID
  VATID_3 ,"VATID" // "VATID"  -> VATID_3 ,"Vendor VATID" // "Vendor VATID"
• ​​Save file
• Go to Localization Options, press Import... and select edited file 
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• Save the document definition and publish it
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• Re-recognize the document