TaskAbort
TaskAbort[task] generates an interrupt to abort the current execution of a task.
This stops a running task and cancels any pending executions.
Examples
task = SessionSubmit[ScheduledTask[Print["tick"], 1]];
TaskAbort[task](* Abort a long-running task *)
TaskAbort[$CurrentTask](* Check task status after abort *)
task = SessionSubmit[Pause[100]];
TaskAbort[task];
TaskStatus[task]*See the official Wolfram Language Reference for more details.