As it is the function is unusable, it only allows to bulk import "subject, type, status, priority, assignee, estimated_time_string".
There is NO way to import a message/description for the tickets which is kinda useless. A way to import also replies would be a bonus as well, but that's minor compared to the message/description.
Personally the estimated time is much less important compared to a good description of the actual ticket. Importing a subject alone can't explain properly what the ticket is actually about.
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