1 files changed, 2 insertions, 1 deletions

diff --git a/include/gui/button.h b/include/gui/button.h
index 6f91e37..26d7970 100644
--- a/include/gui/button.h
+++ b/include/gui/button.h
@@ -1,6 +1,5 @@
 #ifndef UPEM_MORPHING_BUTTON
 #define UPEM_MORPHING_BUTTON
-
 /**
  * File: button.h
  * Buttons handling
@@ -58,6 +57,7 @@ void button_print(Component *parameterSelf);
  */
 void button_click_test(int x, int y, Component *parameterSelf);
 
+void button_click_add_constraint(int x, int y, Component *parameterSelf);
 /**
  * Function: button_is_selected
  * Checks if the button is selected or not.
@@ -70,6 +70,7 @@ void button_click_test(int x, int y, Component *parameterSelf);
  * Returns:
  *  A bool from stdbool
  */
+
 bool button_is_selected(int x, int y, Button *button);
 
 #endif