MediaServer

PowerOff

Turns off the specified/assumed/elicited player.

Invocation options (choose based on grammar-fit):

Alexa, [ open / start / launch ] MediaServer
Alexa, [ ask / tell ] MediaServer [ to / for ] …

power down
turn off {Player}
power off {Player}
turn off my player
power down {Player}
power off my player
turn off the {Player}
power off the {Player}
power down the {Player}
turn off {Player} player
power off {Player} player
power down {Player} player
turn off the {Player} player
power off the {Player} player
power down the {Player} player