qmk_firmware/keyboards/handwired/pytest/basic/keymaps/dd_keycodes/keymap.json

{
    "keyboard": "handwired/pytest/basic",
    "keymap": "default_json",
    "layout": "LAYOUT_ortho_1x1",
    "layers": [["EXAMPLE_1"]],
    "keycodes": [
        { "key": "EXAMPLE_1" }
    ],
    "author": "qmk",
    "notes": "This file is a keymap.json file for handwired/pytest/basic",
    "version": 1
}