is it possibe to created Sheduled events between 15 miniuts using hooks
see the below link
but minimum hourly we can set.is it possible to set as 15 mnts or 30 mnts
Actually not possible out of the box.
You need to run it “all” it means run every minute and check the time; if minute of time is in 15,30,45,00 …then enqueue the job