View difference between Paste ID: wcMvpKSx and LBq1duxD

 var _root_list = ds_list_create(); // list containing each wishlist created
 
 var wishlist_size = ds_grid_height(wishlist_grid); // get the number of wishlists created
 for(var i=0;i<wishlist_size;i++) // loop through every wishlist in the grid
     {
 	// create submap that contains "wishlist" and "itemlist"
 	var _submap = ds_map_create();
 
     // create map for the wishlist
 	var _map_wish = ds_map_create();
 
 	// get values
 	var _name = wishlist_grid[# 0,i]; // wishlist name
 	var _owner = wishlist_grid[# 1,i]; // owner id
 
 	// add key/values to wishlist map
 	ds_map_add(_map_wish ,"name",_name); // save wishlist name
 	ds_map_add(_map_wish ,"owner",_owner); // save owner id of list
 
 	// add wishlist map to the submap
 	ds_map_add_map(_submap,"wishlist",_map_wish);
 
 	// save every item in the item list
 	var item_list = ds_list_create(); // contains the itemlist
 
 	var item_grid = wishlist_grid[# 2,i]; // get the pointer of item grid associated with the wishlist
 	var itemlist_size = ds_grid_height(item_grid); // number of items in the grid
 	for(var n=0;n<itemlist_size;n++) // loop through the grid
 		{
 		// create the map for the item
 		var _map_item = ds_map_create();
 		ds_list_add(item_list,_map_item); // add the map to the item_list
 		ds_list_mark_as_map(item_list,ds_list_size(item_list)-1); // mark it as a map
 
 		// get values
 		var _name = item_grid [# 0,n]; // item name
 		var _price = item_grid [# 1,n]; // item price
 
 		// add key/values to itemlist map
 		ds_map_add(_map_item ,"name",_name); // save item name
 		ds_map_add(_map_item ,"price",_price); // save item price
 		}
 
 	// add item_list to the submap
 	ds_map_add_list(_submap,"itemlist",item_list); // added to submap
 
 	ds_list_add(root_list,_submap); // add the submap to the root_list
 	ds_list_mark_as_map(root_list,ds_list_size(root_list)-1); // mark as map
     }
 
 // wrap the data up
 var _wrapper = ds_map_create();
 ds_map_add_list(_wrapper,"ROOT",_root_list);
 
 // save as string
 var _string = json_encode(_wrapper);