Assuming customer have some subscription and addon is added. It would be good to have option for trial period (for both new addon added and even for increasing amount).
I'm also interested in this feature.
Thanks for writing to us!
Just to ensure that I've understood your requirement correctly, when a customer purchase a new addon to his existing subscription, you'd want to offer a trial for this addon?
Thanks for the confirmation.
We do have a feature request in place for this already, and I'll tag your request to the list for our engineering team to consider. Though no concrete ETA yet, we'll notify you if it made available in the future.