diff --git a/scripts/event_recorder/event_recorder.gml b/scripts/event_recorder/event_recorder.gml
index f3b3a8037..9e2439dee 100644
--- a/scripts/event_recorder/event_recorder.gml
+++ b/scripts/event_recorder/event_recorder.gml
@@ -43,7 +43,7 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 	
 	clear_action = noone;
 	
-	static undo = function() { #region
+	static undo = function() {
 		var _n;
 		
 		switch(type) {
@@ -85,8 +85,10 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 				break;
 				
 			case ACTION_TYPE.junction_connect :
+				
 				if(obj.is_dummy) {
 					data[0].setFrom(noone);
+					if(obj.dummy_undo != -1) obj.dummy_undo(data[0]);
 				} else {
 					var _d = obj.value_from;
 					obj.setFrom(data);
@@ -154,9 +156,9 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 		}
 		
 		if(trigger) trigger();
-	} #endregion
+	}
 	
-	static redo = function() { #region
+	static redo = function() {
 		var _n;
 		switch(type) {
 			case ACTION_TYPE.var_modify :
@@ -199,6 +201,7 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 				if(obj.is_dummy) {
 					obj.setFrom(data[1]);
 					data[0] = obj.dummy_target;
+					if(obj.dummy_redo != -1) obj.dummy_redo(data[0]);
 				} else {
 					var _d = obj.value_from;
 					obj.setFrom(data);
@@ -244,9 +247,9 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 		}
 		
 		if(trigger) trigger();
-	} #endregion
+	}
 	
-	static toString = function() { #region
+	static toString = function() {
 		var ss = "";
 		switch(type) {
 			case ACTION_TYPE.var_modify :
@@ -316,15 +319,15 @@ function Action(_type, _object, _data, _trigger = 0) constructor {
 				break;
 		}
 		return ss;
-	} #endregion
+	}
 	
-	static destroy = function() { #region
+	static destroy = function() {
 		if(clear_action == noone) return;
 		clear_action(data);
-	} #endregion
+	}
 }
 
-function recordAction(_type, _object, _data = -1, _trigger = 0) { #region
+function recordAction(_type, _object, _data = -1, _trigger = 0) {
 	if(IS_UNDOING)		return noone;
 	if(LOADING)			return noone;
 	if(UNDO_HOLDING)	return noone;
@@ -340,7 +343,7 @@ function recordAction(_type, _object, _data = -1, _trigger = 0) { #region
 	
 	PANEL_MENU.undoUpdate();
 	return act;
-} #endregion
+}
 
 function recordAction_variable_change(object, variable_name, variable_old_value, undo_label = "", _trigger = 0) {
 	INLINE
@@ -349,7 +352,7 @@ function recordAction_variable_change(object, variable_name, variable_old_value,
 
 /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-function mergeAction(act) { #region
+function mergeAction(act) {
 	if(ds_stack_empty(UNDO_STACK)) {
 		ds_stack_push(UNDO_STACK, [ act ]);
 		PANEL_MENU.undoUpdate();
@@ -359,9 +362,9 @@ function mergeAction(act) { #region
 	var _top = ds_stack_pop(UNDO_STACK);
 	array_push(_top, act);
 	ds_stack_push(UNDO_STACK, _top);
-} #endregion
+}
 
-function UNDO() { #region
+function UNDO() {
 	CALL("undo");
 	
 	if(ds_stack_empty(UNDO_STACK))				return;
@@ -376,9 +379,9 @@ function UNDO() { #region
 	
 	ds_stack_push(REDO_STACK, actions);
 	PANEL_MENU.undoUpdate();
-} #endregion
+}
 
-function REDO() { #region
+function REDO() {
 	CALL("redo");
 	
 	if(ds_stack_empty(REDO_STACK))				return;
@@ -393,4 +396,4 @@ function REDO() { #region
 	
 	ds_stack_push(UNDO_STACK, actions);	
 	PANEL_MENU.undoUpdate();
-} #endregion
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/scripts/node_collection/node_collection.gml b/scripts/node_collection/node_collection.gml
index da9365db9..afd61fa1d 100644
--- a/scripts/node_collection/node_collection.gml
+++ b/scripts/node_collection/node_collection.gml
@@ -198,7 +198,11 @@ function Node_Collection(_x, _y, _group = noone) : Node(_x, _y, _group) construc
 	
 	draw_dummy  = false;
 	input_dummy = nodeValue("Add to group", self, JUNCTION_CONNECT.input, VALUE_TYPE.any, 0);
-	input_dummy.is_dummy  = true;
+	
+	input_dummy.setDummy(function() /*=>*/ { var input = nodeBuild("Node_Group_Input", 0, 0, self); return input.inParent; },
+		function(_junc) /*=>*/ { _junc.from.destroy() }
+	);
+	
 	input_dummy.onSetFrom = function(juncFrom) {
 		array_remove(juncFrom.value_to, input_dummy);
 		input_dummy.value_from = noone;
diff --git a/scripts/node_data/node_data.gml b/scripts/node_data/node_data.gml
index 159361da5..f0c1803c9 100644
--- a/scripts/node_data/node_data.gml
+++ b/scripts/node_data/node_data.gml
@@ -388,7 +388,7 @@ function Node(_x, _y, _group = noone) : __Node_Base(_x, _y) constructor {
 		
 		if(auto_input) {
 			dummy_input = nodeValue("Add value", self, JUNCTION_CONNECT.input, dummy_type, 0)
-						.setDummy(function() { return createNewInput(); })
+						.setDummy(function() /*=>*/ {return createNewInput()})
 						.setVisible(false, true);
 		}
 		
diff --git a/scripts/node_value/node_value.gml b/scripts/node_value/node_value.gml
index 2b4d25baf..884ea271d 100644
--- a/scripts/node_value/node_value.gml
+++ b/scripts/node_value/node_value.gml
@@ -59,8 +59,10 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 		
 		tags = VALUE_TAG.none;
 		
-		is_dummy  = false;
-		dummy_get = noone;
+		is_dummy   = false;
+		dummy_get  = noone;
+		dummy_undo = -1;
+		dummy_redo = -1;
 	#endregion
 	
 	#region ---- connection ----
@@ -235,10 +237,13 @@ function NodeValue(_name, _node, _connect, _type, _value, _tooltip = "") constru
 	
 	/////============= META =============
 	
-	static setDummy = function(get_node) { #region
+	static setDummy = function(get_node, _dummy_undo = -1, _dummy_redo = -1) { #region
 		is_dummy  = true;
 		dummy_get = get_node;
 		
+		dummy_undo = _dummy_undo;
+		dummy_redo = _dummy_redo;
+		
 		return self;
 	} #endregion