Hi - We’d love to be able to add a rule that unless you have filled in the actual time field you can not complete a task. At the moment it doesn’t seem possible to add the time-tracking field into a rule. Is this a possibility.
You’re correct, it’s not currently available in rule triggers.
I moved your post to the Product Feedback forum section to let you and others vote for this feature.
I’d also like to use “Actual time” as a rule trigger to send a slack message to keep the project manager aware if a project is taking longer than expected.