How to Configure Custom Difficulty & AI Skill in Arma 3

class DifficultyPresets
{
    class CustomDifficulty
    {
        class Options
        {
            reducedDamage = 0;    // 0 = Realistic Damage. 1 = Reduced.
            groupIndicators = 0;  // 0 = No floating hexes over squadmates.
            friendlyTags = 0;     // 0 = No names over friendly units.
            enemyTags = 0;        // 0 = No names over enemies.
            detectedMines = 0;    // 0 = Mines remain hidden on HUD.
            commands = 0;         // 0 = Hides command waypoints.
            waypoints = 1;        // 1 = Shows simple waypoints.
            weaponInfo = 1;       // 1 = Shows ammo count and fire mode.
            stanceIndicator = 1;  // 1 = Shows stance (Crouch/Prone) HUD.
            staminaBar = 1;       // 1 = Shows stamina bar.
            weaponCrosshair = 0;  // 0 = No artificial crosshair.
            visionAid = 0;        // 0 = Disables "Enemy spotting" assistance.
            thirdPersonView = 1;  // 1 = Allows Third Person (TPS).
            mapContent = 1;       // 1 = Shows friendly units on the map.
        };
        aiLevelPreset = 1;        // 1 = Use Custom AI skills defined below.
    };
};