robust-toolbox-template/Content.Shared/Input/ContentKeyFunctions.cs

using Robust.Shared.Input;

namespace Content.Shared.Input
{
    [KeyFunctions]
    public static class ContentKeyFunctions
    {
        // DEVNOTE: Stick keys you want to be bindable here.
        // public static readonly DummyKey = "DummyKey";
    }
}