At https://developers.sparkpost.com/api/transmissions/#header-request-body, how exactly is the field `description` used? I set it to a relevant value, but I don't see that at `https://app.sparkpost.com/reports/message-events/details/...`.
At https://developers.sparkpost.com/api/transmissions/#header-request-body, how exactly is the field
descriptionused? I set it to a relevant value, but I don't see that athttps://app.sparkpost.com/reports/message-events/details/....