How to add custom button in project doctype

i m unable to add button to project doctype i can add in other documents but not in project why is that so and what is the possible solution

frappe.ui.form.on(‘Project’, {
refresh: function (frm) {

    frm.add_custom_button(__('Go to Home'), function () {
        // Redirect the user to the home page
        window.location.href = '/app/home';
    });
},

});

Hello @Mubasher

please ensure few things like

  • script is correctly linked
  • check error in console tab
  • clear cache and reload

ok
script is fine i had another script that was making issue