Set the TV backlight level from 0 to 100. This is the primary brightness control for an LG webOS TV.

Set a picture setting (backlight, contrast, brightness or color) from 0 to 100.

Set the picture mode (e.g. cinema, normal, vivid, game, expert1, expert2, filmMaker, hdrEffect).

Read current picture settings (backlight, contrast, brightness, color).

Increase the TV volume by one step.

Decrease the TV volume by one step.

Set the TV volume to an absolute level from 0 to 100.

Read the current volume and mute state.

Mute or unmute the TV.

List available external inputs (HDMI, etc.).

Switch to an external input by its id (e.g. HDMI_1).

List installed apps and their launch ids.

Launch an app by its id (e.g. netflix, youtube.leanback.v4, com.webos.app.hdmi1).

Close an app by its id.

Get the currently foreground app.

Go to the next channel.

Go to the previous channel.

Tune to a channel by its channelId.

List available TV channels.

Get the currently tuned channel.

Send media play.

Send media pause.

Send media stop.

Send media rewind.

Send media fast-forward.

Turn the TV off (standby).

Turn off the screen while keeping the TV running.

Turn the screen back on.

Read the current power state.

Display a toast notification message on the TV.

Send a remote-control button press. Common names: UP, DOWN, LEFT, RIGHT, ENTER, BACK, EXIT, HOME, MENU, INFO, MUTE, VOLUMEUP, VOLUMEDOWN, CHANNELUP, CHANNELDOWN, PLAY, PAUSE, STOP, REWIND, FASTFORWARD, RED, GREEN, YELLOW, BLUE, 0-9, DASH.

Enable 3D mode.

Disable 3D mode.

Get TV system information (model, etc.).

Get TV software / firmware information.

List available SSAP services on the TV.

Escape hatch: send a raw SSAP request to the TV. Provide the full uri (e.g. ssap://audio/getVolume) and an optional payload object.