See Planner tasks in the Tasks app in Teams
Get your group tasks done alongside your individual tasks, right from where you're working in Microsoft Teams, using the Tasks app (initially still called the Planner app).
Plan an event
Use Planner to plan an event, like a product launch.
Track customer support issues, like running a small IT support team.
Manage a publishing process, like for articles and blog posts.
Track a process
Create and follow a process, such as monitoring patients from scheduling to follow-up.