HTTP methods are just for system to identify and route to the correct controller as the developer pre-assigned, to the system, all controllers are equally function as a workplace for executing single or series of actions as you defined.
You should answer yourself, how the system know when to delete if you do not give a instruction (trigger delete button)? Even with AI, system also need some sort of formulas or algorithms to make the such decision, further more this is destructive action.
If schedule is what you need then just go ahead to create the task and schedule it..
@siangboon ok i am new and "Even with AI, system also need some sort of formulas or algorithms to make such decision" what is your suggestion any tutorial. in my case it checks start time and after 10 min it's going to be expired.