diff --git a/lib/fi.js b/lib/fi.js
index 77fad3e..29e772d 100644
--- a/lib/fi.js
+++ b/lib/fi.js
@@ -70,6 +70,22 @@ const EntTraits = (function() {
     {
     }
     
+    // showObjectsInside ------------------------------------   
+    /** @return whether the subobjects should be listed when describing the loc. */
+    function isListingObjectsInside()
+    {       
+        return this.listObjectsInside;
+    }
+    
+    function setListsObjectsInside(v)
+    {
+        if ( arguments.length === 0 ) {
+            v = true;
+        }
+        
+        this.locListObjectsInside = v;
+    }
+    
     // Scenery ----------------------
     /** @return whether the object is scenery or not. */
     function isScenery()
@@ -272,6 +288,9 @@ const EntTraits = (function() {
         // constructor & ini
         "ctor": ctor,
         "ini": ini,
+        // showObjectsInside
+        "isListingObjectsInside": isListingObjectsInside,
+        "setListsObjectsInside": setListsObjectsInside,
         // Scenery
         "isScenery": isScenery,
         "esEscenario": isScenery,
@@ -318,27 +337,12 @@ const EntTraits = (function() {
     };
 })();
 
+EntTraits.listObjectsInside = true;
 const Ent = EntTraits;          // Compatibility
 
 
 /** The common traits for locations. */
 const LocTraits = (function() {   
-    // showObjectsInside ------------------------------------   
-    /** @return whether the subobjects should be listed when describing the loc. */
-    function isLocListingObjectsInside()
-    {       
-        return this.locListObjectsInside;
-    }
-    
-    function setLocListsObjectsInside(v)
-    {
-        if ( arguments.length === 0 ) {
-            v = true;
-        }
-        
-        this.locListObjectsInside = v;
-    }
-    
     // Triggers with each turn ----------------------------
     function doEachTurn()
     {
@@ -463,9 +467,6 @@ const LocTraits = (function() {
     }
   
     return {
-        // showObjectsInside
-        "isLocListingObjectsInside": isLocListingObjectsInside,
-        "setLocListsObjectsInside": setLocListsObjectsInside,
         // doEachTurn
         "doEachTurn": doEachTurn,
         "hazCadaTurno": doEachTurn,
@@ -497,7 +498,6 @@ const LocTraits = (function() {
     };
 })();
 LocTraits.__proto__ = EntTraits;
-LocTraits.locListObjectsInside = true;
 
 
 /** Represents locations, i.e., the entrance to a cave. */
@@ -1914,9 +1914,19 @@ const ctrl = ( function() {
             current = l;
         }
 
-        function creaLoc(id, syn, desc)
+        /** Creates a Loc.
+          * @param id the word that acts as id, i.e. "bedroom" 
+          * @param syn a list of synonyms, i.e., [ "dorm" ]
+          * @param desc a text describing the Loc, i.e. "Comfy."
+          * @param ini a function to be executed at the beginning of the game.
+        */
+        function creaLoc(id, syn, desc, ini)
         {
             const toret = new Loc( locs.length, id, syn, desc );
+            
+            if ( ini != null ) {
+                toret.ini = ini;
+            }
 
             locs.push( toret );
             return toret;
@@ -2183,11 +2193,24 @@ const ctrl = ( function() {
         };
     })();
 
-    function creaObj(id, syn, desc, loc, isScenery)
-    {
+    /** Creates an object.
+      * @param id the word that acts as id, i.e. "lamp" 
+      * @param syn a list of synonyms, i.e., [ "light" ]
+      * @param desc a text describing the object, i.e. "Gives light."
+      * @param loc the loc this object pertaints to, i.e. LOC_ROOM
+      * @param isScenery a boolean value.
+      * @param ini a function to be executed at the beginning of the game.
+    */
+    function creaObj(id, syn, desc, loc, isScenery, ini)
+    {      
         const toret = new Obj( loc.objs.length, id, syn, loc, desc );
 
+        if ( ini != null ) {
+            toret.ini = ini;
+        }
+        
         toret.setScenery( isScenery );
+        
         loc.objs.push( toret );
         return toret;
     }
@@ -2196,10 +2219,21 @@ const ctrl = ( function() {
         const personas = [];
         var player = null;
 
-        function creaPersona(id, syn, desc, loc)
+        /** Creates a character.
+          * @param id the word that acts as id, i.e. "Bob" 
+          * @param syn a list of synonyms, i.e., [ "clerk" ]
+          * @param desc a text describing the object, i.e. "Waiting."
+          * @param loc the loc this object pertaints to, i.e. LOC_ROOM
+          * @param ini a function to be executed at the beginning of the game.
+        */
+        function creaPersona(id, syn, desc, loc, ini)
         {
             const toret = new Persona( personas.length, id, syn, loc, desc );
 
+            if ( ini != null ) {
+                toret.ini = ini; 
+            }
+
             loc.personas.push( toret );
             personas.push( toret );
             return toret;
@@ -2485,8 +2519,8 @@ const ctrl = ( function() {
         return listVector( personas, talkAction.verbs[ 0 ] );
     }
 
-    /** Lists all objects inside a Loc
-     * @param loc The Loc
+    /** Lists all objects inside a Loc or Obj
+     * @param loc The Loc or Obj
      */
     function list(loc)
     {
@@ -2500,7 +2534,7 @@ const ctrl = ( function() {
         }
         
         if ( loc == player
-          || loc.isLocListingObjectsInside() )
+          || loc.isListingObjectsInside() )
         {
             const EX_ACT = actions.getAction( "examine" ).verbs[ 0 ];
             const TAKE_ACT = actions.getAction( "take" ).verbs[ 0 ];