Add a menu item in the backend

function add_backend_panel(){
  add_menu_page('Name', 'Label, 'edit_dashboard', 'attendees-list', 'ContentFunction', 'dashicons-list-view');
add_action('admin_menu', 'add_backend_panel');
// function to display created page content 

function ContentFunction(){
echo 'Content goes here.';

Author: Wojciech Borowicz

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