command /fly:
    trigger:
        if {fly.%player%} is not set:
            send "&8(&b&l!&r&8) &3Flight has been &lENABLED!"
            set player's flight mode to true
            set {fly.%player%} to "true"
            stop
        else if {fly.%player%} is "true":
            send "&8(&b&l!&8) &3Flight has been &lDISABLED!"
            set player's flight mode to false
            delete {fly.%player%}
            stop