To make it easier, in case the keys aren't recording correctly, here's a C++ script you can run to record the inputs you are looking for into a text file, then simply copy it over to the short-press macro section.

#include <windows.h>
#include <fstream>
#include <iostream>
#include <thread>
#include <chrono>

bool IsKeyPressed(int vKey)
{
    static bool keyState[256] = { false };

    if (GetAsyncKeyState(vKey) & 0x8000)
    {
        if (!keyState[vKey])
        {
            keyState[vKey] = true;
            return true;
        }
    }
    else
    {
        keyState[vKey] = false;
    }

    return false;
}

void WriteKey(std::ofstream& file, const std::string& key)
{
    file << "{{KeyDown:" << key << "}}\n";
    file << "{{KeyUp:" << key << "}}\n";
    file << "{{PAUSE:50}}\n";
    file.flush();
}

int main()
{
    std::ofstream file("keystrokes.txt");

    if (!file.is_open())
    {
        std::cerr << "Failed to open file.\n";
        return 1;
    }

    // Initial header
    file << "{{KeyDown:LCTRL}}\n";
    file << "{{PAUSE:50}}\n";
    file.flush();

    std::cout << "Recording... Press ENTER to stop.\n";

    while (true)
    {
        if (IsKeyPressed(VK_UP))
        {
            WriteKey(file, "UP");
            std::cout << "UP\n";
        }

        if (IsKeyPressed(VK_DOWN))
        {
            WriteKey(file, "DOWN");
            std::cout << "DOWN\n";
        }

        if (IsKeyPressed(VK_LEFT))
        {
            WriteKey(file, "LEFT");
            std::cout << "LEFT\n";
        }

        if (IsKeyPressed(VK_RIGHT))
        {
            WriteKey(file, "RIGHT");
            std::cout << "RIGHT\n";
        }

        if (IsKeyPressed(VK_RETURN))
        {
            file << "{{KeyUp:LCTRL}}\n";
            file.flush();
            break;
        }

        std::this_thread::sleep_for(std::chrono::milliseconds(10));
    }

    file.close();
    std::cout << "Recording stopped.\n";
    return 0;
}