Should there be a “Unique” column in the below grid? If so, how do make sure that it appears at the mapping stage?:

Should there be a “Unique” column in the below grid? If so, how do make sure that it appears at the mapping stage?:

Best answer by francois
It looks like you’ve first created the dimension then tried to import data on it - to get a similar interface as the training material, you’ll have to click on Start from an import in the creation dialog.

Otherwise Pigment will create a default Name unique property.
If you’d like to keep your existing dimension, you can also edit the properties directly in the list view by going to the Configure panel, creating a ID property (unique) and editing the Name property.
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