The BattlEye system is a key reason why Cheat Engine is so easily detected. The moment the Cheat Engine process attempts to interact with Arma Reforger's memory space, BattlEye's signature-based detection will likely flag it, just as it has in countless other online games.
Have you encountered a "working" Cheat Engine script for Reforger? It’s either a scam or a trap. Always run community scripts in a sandboxed VM, and never log into Steam on a machine running unknown executables. arma reforger cheat engine