Mac OS X fullscreen

fullscreen1.sh

#!/bin/sh
osascript -e 'tell application "System Events" to set frontApp to (name of first process whose frontmost is true)' -e 'tell application "System Events" to tell process frontApp to set position of window 1 to {0, 0}' -e 'tell application "System Events" to tell process frontApp to set size of window 1 to {1512, 3000}'

karabiner elements

{
    "description": "fullscreen1",
    "manipulators": [
        {
            "from": {
                "key_code": "1",
                "modifiers": {
                    "mandatory": ["control", "option"],
                    "optional": ["any"]
                }
            },
            "to": [{ "shell_command": "$HOME/fullscreen1.sh" }],
            "type": "basic"
        }
    ]
}