UPROPERTY(EditAnywhere)
        int CoolDownTime = 1;

        int LastTime = 0;

void ACCC::TestFunc()
{
    int NowTime = FPlatformTime::Seconds();

    if (!(FPlatformTime::Seconds() - LastTime) > CoolDownTime) {return;}
        GEngine->AddOnScreenDebugMessage(-1, 20.0F, FColor::Red, TEXT("HelloWorld"));
        LastTime = FPlatformTime::Seconds();
}