I would like it to be possible to generate alerts if any field of the task is not filled in. I tried to do some automations, but none of them generate an alert (preferably a popup) to make the user fill in the information.

Example: I want team members to fill in information about how many hours they worked on the activity. If they don't fill out when the activity is considered completed, a popup will appear asking them to be completed.

Using automation, it doesn't generate anything that was immediately visible. Only being able to create comments within the task, or a sub-task... Which doesn't answer me. I found the automations a bit limited.