Formatting a duration
When a command requires aduration parameter, you format it as a number followed by a unit. The unit can be one of the following:
sfor seconds.mfor minutes.hfor hours.dfor days.
1h represents one hour, and 1d represents one day. You can also combine units, for example, 3d1h represents three days and one hour.
Flags
When a command supports flags, you can use them to modify the command’s behavior. Flags are mostly optional and can be used to specify additional options. For example, if a command supports a--audio flag, you can use it like this:
--quality:

