Activator GAME_MODE

This activator works when the player changes the game mode.

To create this activator, use the command:

/react add GAME_MODE <ActivatorName> [gamemode]

Element	Possible Values	Description
`[gamemode]`	`SURVIVAL` `CREATIVE` `ADVENTURE` `SPECTATOR` `ANY`	The game mode that the activator will track. Default is `gamemode: ANY`. This means that the activator will work whenever you switch the game mode.

Placeholder	Description
% gamemode%	shows the mode of the player's game. Useful when you need to constantly monitor the game mode (you can write to a variable).

Prohibit the player to changes gamemode to creativity:
/react add GAMEMODE gm gamemode:creative
/react add gm a CANCEL_EVENT true

GAME_MODE:
  gm:
    gamemode: creative
    actions:
    - cancel_event=true

GAME_MODE:
  gm2:
    gamemode: ANY
    actions:
    - broadcast=&ePlayer &a%player% &eswitching gamemode to &c&l%gamemode%