How can i achieve , pause for 10 secs before redirecting to a URL

hmm not really. what we are trying to achieve here is, current service is getting migrated to new location(URL) in few weeks time.

at the moment, URL https:/xxx.com/Service is going to Pool : AAAA we want to create a iRule, so that when a user access the current URL it display a splash page says "this service will be migrated over to https://yyyy.com/Service in few weeks" for 15 secs and then redirect to Pool:AAAA.