private ["_targetGroup","_position","_tag"];
_targetGroup = _this select 3;

// Join player to the target group
[player] joinSilent _targetGroup;

{
if ((isPlayer _x) and (_x in _targetGroup)) then {
        _position = [0,0,0];
        _tag = "Sign_sphere10cm_EP1" createVehicleLocal _position;
        _tag attachTo [_x,[0,0,0],"lwrist"];
};
} foreach allunits;