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If a label is defined for a field on the profile, the label will be used as header. The language is chosen based on the user that started the batch.
If no label is defined for the field on the profile, the header is chosen based on the option ‘HeaderType’. This is set when creating the batch.
DottedKey: the dotted key of the field is used as header.
LongTranslation: The long translation of the field is used, based on the locale of the user.
Column formatting
The values are determined by the Metadata Field Types of the columns
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