diff --git a/source/libublsettings-gtk3.c b/source/libublsettings-gtk3.c
index 74b7115..4b0533a 100644
--- a/source/libublsettings-gtk3.c
+++ b/source/libublsettings-gtk3.c
@@ -1165,7 +1165,14 @@ void yon_gtk_tree_store_copy_full(GtkTreeStore *source, GtkTreeStore *destinatio
     }
 }
 
-
+gboolean yon_gtk_tree_iter_get_from_combo_box_id(GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *iter){
+    g_return_val_if_fail(GTK_IS_COMBO_BOX(combo),0);
+    g_return_val_if_fail(GTK_IS_TREE_MODEL(model),0);
+    const char *id = gtk_combo_box_get_active_id(combo);
+    if (yon_char_is_empty(id)) return 0;
+    gtk_tree_model_get_iter_from_string(model,iter,id);
+    return 1;
+}
 
 
 #endif
\ No newline at end of file
diff --git a/source/libublsettings-gtk3.h b/source/libublsettings-gtk3.h
index 448f428..c11fa39 100644
--- a/source/libublsettings-gtk3.h
+++ b/source/libublsettings-gtk3.h
@@ -119,6 +119,8 @@ void yon_window_config_add_listener(GtkWidget *widget, char *param_name, char *w
 */
 void yon_window_config_add_custom_parameter(char *param_name, char *section, void *tracked_value, enum YON_TYPE val_type);
 
+void yon_window_config_add_instant_parameter(char *param_name, char *section, void *tracked_value, enum YON_TYPE val_type);
+
 /**yon_window_config_erase_custom_parameter(char *param_name, char *section)
  * [EN]
  * 
@@ -463,4 +465,8 @@ dictionary *yon_gtk_tree_store_get_children(GtkTreeStore *tree, GtkTreeIter *par
 
 void yon_gtk_tree_store_fill_children(GtkTreeStore *tree, GtkTreeIter *parent, dictionary *data, int column);
 
-void yon_gtk_tree_store_copy_full(GtkTreeStore *source, GtkTreeStore *destination);
\ No newline at end of file
+void yon_gtk_tree_store_copy_full(GtkTreeStore *source, GtkTreeStore *destination);
+
+gboolean yon_gtk_tree_store_find_full(GtkTreeModel *model, GtkTreeIter *iter, gint column, const gchar *target);
+
+gboolean yon_gtk_tree_iter_get_from_combo_box_id(GtkComboBox *combo, GtkTreeModel *model, GtkTreeIter *iter);
\ No newline at end of file