VolumeSet
Sets the volume on the specified/assumed/elicited player to the desired level, with validity-checking.
Invocation options (choose based on grammar-fit):
Alexa, [ open / start / launch ] MediaServer
Alexa, [ ask / tell ] MediaServer [ to / for ] …
volume {Level}
set the volume to {Level}
volume {Level} in {Player}
volume {Level} on {Player}
set {Player} volume to {Level}
volume {Level} in the {Player}
volume {Level} on the {Player}
volume {Level} on {Player} player
set the {Player} volume to {Level}
set {Player} player volume to {Level}
set the volume to {Level} in {Player}
set the volume to {Level} on {Player}
volume {Level} on the {Player} player
set the {Player} player volume to {Level}
set the volume to {Level} in the {Player}
set the volume to {Level} on the {Player}
set the volume to {Level} on {Player} player
set the volume to {Level} on the {Player} player