Our e-mail marketing team started using advanced link URL parameters for the e-mails they send, but those do not come through in the Fivetran connector.  I asked Sailthru support where this data was available from, and they pointed out 2 places:

For templates: "You should be able to do a simple GET call to the template API and find that data in setup.

For individual e-mails, it's part of the data exporter data set: https://getstarted.sailthru.com/analytics/stc/stc-data-exp-files/#:~:text=by%20blast%20id)-,link_params,containing%20all%20of%20the%20querystring%20parameters%20added%20to%20the%20message,-Campaign%20Messages .  This is a separate data set.

Please let me know if either or both of these is possible to add to the Fivetran connector!