@finsgate The end goal here is to have a Column of data in the CSV for Postal Address populate per envelope for each Recipient into the document of that envelope?  The CSV requires a Header line that defines the same “Recipient Role::Field Data Label”.  First is to look at the field on the document and assign a Data Label, I always create something that is not complicated and does not have spaces. Then in the CSV there needs to be a Header row that has the appropriate value for that field along with the Recipient Role who is assigned that field.   So if you are sending it to a “Student” Role and the Data Label is “PostalAddr” then the column header should look like this:

Student::PostalAddr

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