The AI Assistant has 2 modes; Create mode and Action mode. Action mode is described in this article but you should also check out this article to learn more about Create mode: Assistant Create Mode
Action mode lets you take actions in your account. The actions you can take are:
Create a project
Update a project
Create one or multiple tasks
Update one or multiple tasks
We have created a walkthrough video to show you the main features of Action mode and how they work, see here: