Your TechValidate customer list import needs to be in a CSV format with 4 required fields
[First Name / Last Name / Email / Company Name]
But you can add up to 5 additional fields. This would allow you to filter by those fields in the Responses By Person tab after the survey collects responses.
There are 2 options for adding custom data fields:
To add Custom Data post response collection:
Once the custom data has been appended, you'll be able to filter the data in the Responses By Person tab.