diff --git a/addons/interaction/functions/fnc_addPassengerActions.sqf b/addons/interaction/functions/fnc_addPassengerActions.sqf
index 4474378bcc..914edeed28 100644
--- a/addons/interaction/functions/fnc_addPassengerActions.sqf
+++ b/addons/interaction/functions/fnc_addPassengerActions.sqf
@@ -18,9 +18,9 @@
 #include "script_component.hpp"
 
 EXPLODE_3_PVT(_this,_vehicle,_player,_parameters);
+EXPLODE_1_PVT(_parameters,_unit);
 
-private ["_unit","_actions"];
-_unit = _parameters select 0;
+private ["_varName", "_actionTrees", "_actions"];
 
 _varName = format [QEGVAR(interact_menu,Act_%1), typeOf _unit];
 _actionTrees = missionNamespace getVariable [_varName, []];
diff --git a/addons/interaction/functions/fnc_addSelectableItem.sqf b/addons/interaction/functions/fnc_addSelectableItem.sqf
index 6f1339d25a..4875ba2c97 100644
--- a/addons/interaction/functions/fnc_addSelectableItem.sqf
+++ b/addons/interaction/functions/fnc_addSelectableItem.sqf
@@ -18,17 +18,13 @@
  */
 #include "script_component.hpp"
 
-private ["_container", "_displayName", "_picture", "_data", "_index"];
-
-_container = _this select 0;
-_displayName = _this select 1;
-_picture = _this select 2;
-_data = _this select 3;
+PARAMS_4(_container,_displayName,_picture,_data);
 
 if (_picture == "" || _picture == "PictureThing") then {
     _picture = QUOTE(PATHTOF(UI\dot_ca.paa));
 };
 
+private ["_index"];
 _index = lbAdd [_container, _displayName];
 lbSetData [_container, _index, str _data];
 lbSetPicture [_container, _index, _picture];
diff --git a/addons/interaction/functions/fnc_canJoinGroup.sqf b/addons/interaction/functions/fnc_canJoinGroup.sqf
index 26597ca0a0..33b4623c4c 100644
--- a/addons/interaction/functions/fnc_canJoinGroup.sqf
+++ b/addons/interaction/functions/fnc_canJoinGroup.sqf
@@ -16,10 +16,7 @@
  */
 #include "script_component.hpp"
 
-private ["_unit", "_target"];
-
-_unit = _this select 0;
-_target = _this select 1;
+PARAMS_2(_unit,_target);
 
 alive _target
 && {!(_target getVariable ["ACE_isUnconscious", false])}
diff --git a/addons/interaction/functions/fnc_canJoinTeam.sqf b/addons/interaction/functions/fnc_canJoinTeam.sqf
index 4312981978..ba894c7a13 100644
--- a/addons/interaction/functions/fnc_canJoinTeam.sqf
+++ b/addons/interaction/functions/fnc_canJoinTeam.sqf
@@ -16,10 +16,7 @@
  */
 #include "script_component.hpp"
 
-private ["_unit", "_target"];
-
-_unit = _this select 0;
-_target = _this select 1;
+PARAMS_2(_unit,_target);
 
 alive _target
 && {!(_target getVariable ["ACE_isUnconscious", false])}
diff --git a/addons/interaction/functions/fnc_canTapShoulder.sqf b/addons/interaction/functions/fnc_canTapShoulder.sqf
index 2be9bf70a9..1b48d3280d 100644
--- a/addons/interaction/functions/fnc_canTapShoulder.sqf
+++ b/addons/interaction/functions/fnc_canTapShoulder.sqf
@@ -16,10 +16,7 @@
  */
 #include "script_component.hpp"
 
-private ["_unit", "_target"];
-
-_unit = _this select 0;
-_target = _this select 1;
+PARAMS_2(_unit,_target);
 
 _target isKindOf "CAManBase" &&
 {alive _target} &&
diff --git a/addons/interaction/functions/fnc_getDoor.sqf b/addons/interaction/functions/fnc_getDoor.sqf
index 460a325954..fdf1447828 100644
--- a/addons/interaction/functions/fnc_getDoor.sqf
+++ b/addons/interaction/functions/fnc_getDoor.sqf
@@ -17,9 +17,9 @@
  */
 #include "script_component.hpp"
 
-private ["_distance", "_position0", "_position1", "_intersections", "_count", "_house", "_door", "_index", "_id"];
+PARAMS_1(_distance);
 
-_distance = _this select 0;
+private ["_position0", "_position1", "_intersections", "_count", "_house", "_door"];
 
 _position0 = positionCameraToWorld [0, 0, 0];
 _position1 = positionCameraToWorld [0, 0, _distance];
@@ -38,4 +38,5 @@ _intersections = [_house, "GEOM"] intersect [_position0, _position1];
 
 _door = _intersections select 0 select 0;
 if (isNil "_door") exitWith {[_house, ""]};
+
 [_house, _door]
diff --git a/addons/interaction/functions/fnc_getDoorAnimations.sqf b/addons/interaction/functions/fnc_getDoorAnimations.sqf
index cb0b7122b0..6f85ef644b 100644
--- a/addons/interaction/functions/fnc_getDoorAnimations.sqf
+++ b/addons/interaction/functions/fnc_getDoorAnimations.sqf
@@ -18,10 +18,9 @@
  */
 #include "script_component.hpp"
 
-private ["_house", "_door", "_animations", "_lockedVariable"];
+PARAMS_2(_house,_door);
 
-_house = _this select 0;
-_door = _this select 1;
+private ["_index", "_animations", "_lockedVariable"];
 
 _index = [
     "door_1",
diff --git a/addons/interaction/functions/fnc_getDown.sqf b/addons/interaction/functions/fnc_getDown.sqf
index 9e7daecb46..09d651eadf 100644
--- a/addons/interaction/functions/fnc_getDown.sqf
+++ b/addons/interaction/functions/fnc_getDown.sqf
@@ -17,9 +17,9 @@
 
 #define RADIUS 10
 
-private ["_unit", "_chance", "_x"];
+PARAMS_1(_unit);
 
-_unit = _this select 0;
+private ["_chance", "_x"];
 
 ACE_player playActionNow "GestureGo"; // put something else here.
 
@@ -35,4 +35,4 @@ if (count (weapons ACE_player) > 0) then {
       _this setUnitPos "DOWN";
     }, _x] call CBA_fnc_globalExecute;
   };
-} foreach (_unit nearEntities ["Civilian", RADIUS]);
+} forEach (_unit nearEntities ["Civilian", RADIUS]);
diff --git a/addons/interaction/functions/fnc_getWeaponPos.sqf b/addons/interaction/functions/fnc_getWeaponPos.sqf
index 35ea202b1d..1e3c8b32ec 100644
--- a/addons/interaction/functions/fnc_getWeaponPos.sqf
+++ b/addons/interaction/functions/fnc_getWeaponPos.sqf
@@ -16,7 +16,7 @@
 #include "script_component.hpp"
 // IGNORE_PRIVATE_WARNING(_target);
 
-private ["_weaponDir","_refSystem"];
+private ["_weaponDir", "_refSystem"];
 
 _weaponDir = _target weaponDirection currentWeapon _target;
 _refSystem = _weaponDir call EFUNC(common,createOrthonormalReference);
diff --git a/addons/interaction/functions/fnc_isInRange.sqf b/addons/interaction/functions/fnc_isInRange.sqf
index 05677d7060..490ddf05e5 100644
--- a/addons/interaction/functions/fnc_isInRange.sqf
+++ b/addons/interaction/functions/fnc_isInRange.sqf
@@ -16,10 +16,9 @@
  */
 #include "script_component.hpp"
 
-private ["_vehicle", "_distance", "_player"];
+PARAMS_2(_vehicle,_distance);
 
-_vehicle = _this select 0;
-_distance = _this select 1;
+private ["_player", "_position0", "_position1"];
 
 _player = ACE_player;
 
diff --git a/addons/interaction/functions/fnc_joinTeam.sqf b/addons/interaction/functions/fnc_joinTeam.sqf
index cf6889d90a..cd2ea8c880 100644
--- a/addons/interaction/functions/fnc_joinTeam.sqf
+++ b/addons/interaction/functions/fnc_joinTeam.sqf
@@ -16,10 +16,9 @@
  */
 #include "script_component.hpp"
 
-private ["_unit", "_team", "_message"];
+PARAMS_2(_unit,_team);
 
-_unit = _this select 0;
-_team = _this select 1;
+private ["_message"];
 
 _unit setVariable [QGVAR(assignedFireTeam), _team, true];
 [_unit, format ["{_this assignTeam '%1'}", _team]] call EFUNC(common,execRemoteFnc);
diff --git a/addons/interaction/functions/fnc_moduleInteraction.sqf b/addons/interaction/functions/fnc_moduleInteraction.sqf
index 925847c028..bd02093aa0 100644
--- a/addons/interaction/functions/fnc_moduleInteraction.sqf
+++ b/addons/interaction/functions/fnc_moduleInteraction.sqf
@@ -17,6 +17,8 @@
  */
 #include "script_component.hpp"
 
+private ["_logic", "_activated"];
+
 _logic = _this select 0;
 _activated = _this select 2;
 
diff --git a/addons/interaction/functions/fnc_moveDown.sqf b/addons/interaction/functions/fnc_moveDown.sqf
index eb946a5f10..f2e675b256 100644
--- a/addons/interaction/functions/fnc_moveDown.sqf
+++ b/addons/interaction/functions/fnc_moveDown.sqf
@@ -15,6 +15,8 @@
  */
 #include "script_component.hpp"
 
+private ["_count", "_player", "_vehicle", "_dlgInteractionDialog", "_top", "_i", "", "_ctrl", "_index", "_action", "_color", "_current", "_infoText"];
+
 #define CLAMP(x,low,high) (if(x > high)then{high}else{if(x < low)then{low}else{x}})
 if (isNil QGVAR(MainButton)) exitWith{};
 if (isNil QGVAR(Buttons)) exitWith{};
diff --git a/addons/interaction/functions/fnc_onButtonUp.sqf b/addons/interaction/functions/fnc_onButtonUp.sqf
index 151ce67c98..da1b55b613 100644
--- a/addons/interaction/functions/fnc_onButtonUp.sqf
+++ b/addons/interaction/functions/fnc_onButtonUp.sqf
@@ -15,7 +15,7 @@
  */
 #include "script_component.hpp"
 
-private ["_player", "_vehicle", "_target", "_count", "_index", "_action", "_statement", "_condition", "_conditionShow", "_exceptions", "_distance"];
+private ["_player", "_vehicle", "_target", "_count", "_index", "_action", "_statement", "_condition", "_conditionShow", "_distance"];
 
 _player = ACE_player;
 _vehicle = vehicle _player;
@@ -34,11 +34,9 @@ _action = if (_index != -1 && {_index < _count}) then {
 closeDialog 0;
 
 
-
 _statement = _action select 1;
 _condition = _action select 2;
 _conditionShow = _action select 7;
-_exceptions = _action select 8;//
 _distance = _action select 9;
 
 if ((_distance == 0 || {[GVAR(Target), _distance] call FUNC(isInRange)}) && {[_target, _player] call _condition} && {[_target, _player] call _conditionShow}) then {
diff --git a/addons/interaction/functions/fnc_onClick.sqf b/addons/interaction/functions/fnc_onClick.sqf
index 6f9882281f..a240823710 100644
--- a/addons/interaction/functions/fnc_onClick.sqf
+++ b/addons/interaction/functions/fnc_onClick.sqf
@@ -14,7 +14,7 @@
  * Public: No
  */
 #include "script_component.hpp"
-private ["_player", "_vehicle", "_target", "_count", "_index", "_action", "_subMenu", "_statement", "_condition", "_conditionShow", "_exceptions", "_distance"];
+private ["_player", "_vehicle", "_target", "_count", "_index", "_action", "_subMenu", "_statement", "_condition", "_conditionShow", "_distance"];
 
 _player = ACE_player;
 _vehicle = vehicle _player;
@@ -43,7 +43,6 @@ if (count _subMenu < 2) then {
     _statement = _action select 1;
     _condition = _action select 2;
     _conditionShow = _action select 7;
-    _exceptions = _action select 8;//
     _distance = _action select 9;
 
     if ((_distance == 0 || {[GVAR(Target), _distance] call FUNC(isInRange)}) && {[_target, _player] call _condition} && {[_target, _player] call _conditionShow}) then {
diff --git a/addons/interaction/functions/fnc_openDoor.sqf b/addons/interaction/functions/fnc_openDoor.sqf
index 3e776f3538..6b34c49ca9 100644
--- a/addons/interaction/functions/fnc_openDoor.sqf
+++ b/addons/interaction/functions/fnc_openDoor.sqf
@@ -16,19 +16,17 @@
  */
 #include "script_component.hpp"
 
-private ["_info", "_house", "_door", "_animations", "_lockedVariable"];
+private ["_info", "_animations", "_phase", "_position", "_time", "_usedMouseWheel"];
 
 _info = [2] call FUNC(getDoor);
 
-_house = _info select 0;
-_door = _info select 1;
+EXPLODE_2_PVT(_info,_house,_door);
 
 if (isNull _house) exitWith {};
 
 _animations = [_house, _door] call FUNC(getDoorAnimations);
 
-_lockedVariable = _animations select 1;
-_animations = _animations select 0;
+EXPLODE_2_PVT(_animations,_animations,_lockedVariable);
 
 if (count _animations == 0) exitWith {};
 
diff --git a/addons/interaction/functions/fnc_openMenuSelectUI.sqf b/addons/interaction/functions/fnc_openMenuSelectUI.sqf
index e755869ed1..e1b6a30df1 100644
--- a/addons/interaction/functions/fnc_openMenuSelectUI.sqf
+++ b/addons/interaction/functions/fnc_openMenuSelectUI.sqf
@@ -16,24 +16,22 @@
  */
 #include "script_component.hpp"
 
-private ["_unit", "_vehicle", "_cargo"];
+PARAMS_2(_unit,_vehicle);
 
-_unit = _this select 0;
-_vehicle = _this select 1;
+private ["_cargo", "_actions"];
 
-// allow interaction with all cargo slots and all ffv slots
+// Allow interaction with all cargo slots and all FFV slots
 _cargo = [_vehicle, ["cargo", "ffv"], true] call EFUNC(common,getVehicleCrew);
 
-// you can only interact if you are in cargo or ffv yourself. exit otherwise
+// You can only interact if you are in cargo or FFV yourself. exit otherwise
 if !(_unit in _cargo) exitWith {};
 
 GVAR(InteractionMenu_Crew) = _cargo;
 
-// prepare: add header and "OK" button to select menu
-private "_actions";
+// Prepare: add header and "OK" button to select menu
 _actions = [localize "STR_ACE_Interaction_InteractionMenu", localize "STR_ACE_Interaction_Interact"] call FUNC(prepareSelectMenu);
 
-// prepare: add all cargo units as options to select menu
+// Prepare: add all cargo units as options to select menu
 {
     if (_x != _unit) then {
         _actions = [
@@ -45,7 +43,7 @@ _actions = [localize "STR_ACE_Interaction_InteractionMenu", localize "STR_ACE_In
     };
 } forEach _cargo;
 
-// open select menu
+// Open select menu
 [
     _actions,
     {
diff --git a/addons/interaction/functions/fnc_openSelectMenu.sqf b/addons/interaction/functions/fnc_openSelectMenu.sqf
index 13e02fb044..a12ceefa6c 100644
--- a/addons/interaction/functions/fnc_openSelectMenu.sqf
+++ b/addons/interaction/functions/fnc_openSelectMenu.sqf
@@ -27,11 +27,14 @@
 if (!(profileNamespace getVariable [QGVAR(FlowMenu), false])) then {
     GVAR(SelectAccept) = _this select 1;
     GVAR(SelectCancel) = _this select 2;
-    buttonSetAction [8855, QUOTE( call GVAR(SelectCancel); )]; // cancel
-    buttonSetAction [8860, QUOTE( (call compile (lbData [ARR_2(8866, lbCurSel 8866)])) call GVAR(SelectAccept); )]; // accept
+    buttonSetAction [8855, QUOTE( call GVAR(SelectCancel); )]; // Cancel
+    buttonSetAction [8860, QUOTE( (call compile (lbData [ARR_2(8866, lbCurSel 8866)])) call GVAR(SelectAccept); )]; // Accept
     lbSetCurSel [8866, 0];
 }else{
-    _customActions = _this select 0;
+    PARAMS_1(_customActions);
+
+    private ["_count", "_action"];
+
     _count = count _customActions;
     if (_count == 0) exitWith {};
     _customActions call FUNC(sortOptionsByPriority);
diff --git a/addons/interaction/functions/fnc_prepareSelectMenu.sqf b/addons/interaction/functions/fnc_prepareSelectMenu.sqf
index f43ec75c4e..05b1bc8e35 100644
--- a/addons/interaction/functions/fnc_prepareSelectMenu.sqf
+++ b/addons/interaction/functions/fnc_prepareSelectMenu.sqf
@@ -16,13 +16,14 @@
  */
 #include "script_component.hpp"
 
-private ["_buttonAction", "_header", "_buttonText", "_cancelButton"];
+PARAMS_2(_header,_buttonText);
+
 closeDialog 0;
-_header = _this select 0;
-_buttonText = _this select 1;
+
 if (isNil "_buttonText" or {_buttonText == ""}) then {
     _buttonText = localize "STR_ACE_Interaction_MakeSelection";
 };
+
 createDialog "RscACE_SelectAnItem";
 ctrlSetText [8860, _buttonText];
 ctrlSetText [8870, _header];
diff --git a/addons/interaction/functions/fnc_push.sqf b/addons/interaction/functions/fnc_push.sqf
index 580f687f64..946a5118be 100644
--- a/addons/interaction/functions/fnc_push.sqf
+++ b/addons/interaction/functions/fnc_push.sqf
@@ -17,8 +17,7 @@
  
 #include "script_component.hpp"
 
-_boat = _this select 0;
-_velocity = _this select 1;
+PARAMS_2(_boat,_velocity);
 
 if !(local _boat) exitWith {
     [_this, QUOTE(FUNC(push)), _boat] call EFUNC(common,execRemoteFnc);
diff --git a/addons/interaction/functions/fnc_removeTag.sqf b/addons/interaction/functions/fnc_removeTag.sqf
index d1a16bf88b..b017c203b2 100644
--- a/addons/interaction/functions/fnc_removeTag.sqf
+++ b/addons/interaction/functions/fnc_removeTag.sqf
@@ -16,6 +16,8 @@
 #include "script_component.hpp"
 
 0 spawn {
+    private ["_index"];
+
     waitUntil {player getVariable ["ACE_Name", ""] != ""};
 
     _name = player getVariable ["ACE_Name", ""];
diff --git a/addons/interaction/functions/fnc_sendAway.sqf b/addons/interaction/functions/fnc_sendAway.sqf
index 1a48725644..0dd106de08 100644
--- a/addons/interaction/functions/fnc_sendAway.sqf
+++ b/addons/interaction/functions/fnc_sendAway.sqf
@@ -18,9 +18,9 @@
 #define DISTANCE 50
 #define RADIUS 10
 
-private ["_unit", "_chance", "_x"];
+PARAMS_1(_unit);
 
-_unit = _this select 0;
+private ["_chance", "_x"];
 
 ACE_player playActionNow "GestureGo";
 
diff --git a/addons/interaction/functions/fnc_showMouseHint.sqf b/addons/interaction/functions/fnc_showMouseHint.sqf
index a64114d009..e3a9b45f94 100644
--- a/addons/interaction/functions/fnc_showMouseHint.sqf
+++ b/addons/interaction/functions/fnc_showMouseHint.sqf
@@ -19,9 +19,10 @@
 
 #define GUI_GRID_W  (0.025)
 #define GUI_GRID_H  (0.04)
-private ["_leftClick", "_rightClick", "_scroll"];
-_leftClick = _this select 0;
-_rightClick = _this select 1;
+
+private ["_scroll", "_display"];
+
+PARAMS_2(_leftClick,_rightClick);
 _scroll = "";
 if (count _this > 2) then {
     _scroll = _this select 2;
@@ -43,9 +44,8 @@ if (isNull _display) exitWith{};
 if (_scroll == "") exitWith {
     (_display displayCtrl 1002) ctrlShow false;
     (_display displayCtrl 1202) ctrlShow false;
-
-    (_display displayCtrl 1001)    ctrlSetPosition [21 * GUI_GRID_W, 18 * GUI_GRID_H, 8 * GUI_GRID_W, 1.5 * GUI_GRID_H];
-    (_display displayCtrl 1201)    ctrlSetPosition [20 * GUI_GRID_W, 18.5 * GUI_GRID_H, 1 * GUI_GRID_W, 1 * GUI_GRID_H];
+    (_display displayCtrl 1001) ctrlSetPosition [21 * GUI_GRID_W, 18 * GUI_GRID_H, 8 * GUI_GRID_W, 1.5 * GUI_GRID_H];
+    (_display displayCtrl 1201) ctrlSetPosition [20 * GUI_GRID_W, 18.5 * GUI_GRID_H, 1 * GUI_GRID_W, 1 * GUI_GRID_H];
     (_display displayCtrl 1001) ctrlCommit 0;
     (_display displayCtrl 1201) ctrlCommit 0;
 };
diff --git a/addons/interaction/functions/fnc_tapShoulder.sqf b/addons/interaction/functions/fnc_tapShoulder.sqf
index f18c9c2c30..510fa4497f 100644
--- a/addons/interaction/functions/fnc_tapShoulder.sqf
+++ b/addons/interaction/functions/fnc_tapShoulder.sqf
@@ -28,7 +28,7 @@ if (_target != ACE_player) exitWith {
 
 addCamShake [4, 0.5, 5];
 
-private "_message";
+private ["_message"];
 //localize is converting the escaped <> symbols, so just add them here instead of in the stringtable
 if (_shoulderNum == 0) then {
     _message = format ["%1 &gt;", (localize "STR_ACE_Interaction_YouWereTappedRight")];
diff --git a/addons/interaction/functions/fnc_updateTooltipPosition.sqf b/addons/interaction/functions/fnc_updateTooltipPosition.sqf
index c194102b41..27eb36e976 100644
--- a/addons/interaction/functions/fnc_updateTooltipPosition.sqf
+++ b/addons/interaction/functions/fnc_updateTooltipPosition.sqf
@@ -17,12 +17,14 @@
  */
 #include "script_component.hpp"
 
+PARAMS_3(_tooltip,_coordinateX,_coordinateY);
+
 disableSerialization;
-_ctrl = ctrlParent (_this select 0) displayCtrl 40;
+_ctrl = ctrlParent _tooltip displayCtrl 40;
 
 _ctrl ctrlSetPosition [
-    (_this select 1) + 0.01 * safezoneW,
-    (_this select 2) + 0.01 * safezoneH,
+    _coordinateX + 0.01 * safezoneW,
+    _coordinateY + 0.01 * safezoneH,
     2.0 / 16 * safezoneW,
     0.3 / 9 * safezoneH
 ];