oudrib on "Run function after save page add_action('save_post','my_function') doesn't "

Hello,
I can't find any solution my problem,i am using this add_action('save_post','my_function')but no result,and i want to add item to custom menu (with link domain/#page-title) directly after saving page and rename the link after any change on the page title also removing item from the menu after deleting page.
thank you so much