You can get the drag command by getting the Cops FiveM addon for your server. It works great with es_rp and es4. Otherwise look around for a drag script I’ve seen a couple floating around the forums. Be sure to edit the config for either mysql or couchdb.
This is the link for the Cops FiveM mod
The command is /jail [player id] [time jailed]
to get the player id by default is, up arrow key
edit: private message me and ill help you try to set it up.