A "trainer" is a third-party program that runs alongside your game, allowing you to toggle various cheats or modifications with the press of a key. Fling’s trainers are world-renowned for being lightweight, stable, and incredibly easy to use.
/* Pseudo: safe unlimited ammo loop (Windows) */ while (trainer_running) if (is_multiplayer()) disable_features(); break; addr = find_pattern(process, "ammo_pattern_v1"); if (addr) WriteProcessMemory(hProc, addr + offset_count, &MAX_AMMO, sizeof(int), NULL); sleep(150); // rate limit writes Battlefield 1 Trainer Fling