First execution time after splicing.
Optional
intervalThe interval period unit is month, day; if intervalUnit is day and scheduleInterval is 7 means by week.
Optional
periodwhen intervalUnit is month, last 1-31; when intervalUnit is week, 1-7.
Optional
scheduleInterval period length
Optional
scheduleExecution times: 1 once execution, 2 periodic execution.
The detail definition of TimerCriteria