AtRate option for "Fixed Interval" mode.

CancelOnError option that automatically cancel the scheduled task if any execution returns non-nil error.

Cron schedules a task using CRON expression Supported CRON expression is "<second> <minutes> <hours> <day of month> <month> [day of week]", where "day of week" is optional Note 1: do not support 'L' Note 2: any options affecting start time and repeat rate (StartAt, AtRate, etc.) would take no effect.

EnableTracing add a default hook with provided openstracing.Tracer start/end/propagate spans during execution.

Name option to give the task a name.

Repeat schedules a takes that repeat at specified time.

RunOnce schedules a task that run only once at specified time Note: any options affecting repeat rate (AtRate, WithDelay, etc.) would take no effect.

StartAfter option to set task's initial trigger delay, should be positive duration Exclusive with StartAt.

StartAt option to set task's initial trigger time, should be future time Exclusive with StartAfter.

TaskHooks option to add TaskHook.

WithDelay option for "Fixed Delay" mode.