zmk/app/dts/behaviors/last_device.dtsi

/*
 * Copyright (c) 2022 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#include <dt-bindings/zmk/keys.h>

/ {
    behaviors {
        /omit-if-no-ref/ last_dev: last_device {
            compatible = "zmk,behavior-last-device";
            #binding-cells = <0>;
        };
    };
};