Usualy plugin and themes needs to add menus in the Administrator panel for provide access to screens. The best way is adding a menu section in the Administration menu that allows the user to access the screens.
There are some functions for manipulate the Administration Menu.
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Admin Menus
hAdminMenu helper
Add menu page to Administration Menu.
osc_add_admin_menu_page( $menu_title, $url, $menu_id, $icon_url = null, $capability = null, $position = null )
Add submenu page to Administration Menu page given a menu parent identifier.
osc_add_admin_submenu_page( $menu_id, $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null )
Remove menu page from Administrator Menu.
osc_remove_admin_menu_page($id_menu);
Remove submenu page given parent menu page identifier.
osc_remove_admin_submenu_page( $menu_id, $submenu_id )
Adding submenus to existings menus
Helpers can add submenus to existing menus, like:
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Submenu Listings
[ Listings/Categories/Pages/Appearance/Plugins/Settings/Tools/Users/Statistics ]
osc_admin_menu_items( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_categories( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_pages( $submenu_title, $url, $submenu_id, $capability = null, $icon_url= null) osc_admin_menu_appearance( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_plugins( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_settings( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_tools( $submenu_title, $url, $submenu_id,$capability = null, $icon_url = null ) osc_admin_menu_users( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null ) osc_admin_menu_stats( $submenu_title, $url, $submenu_id, $capability = null, $icon_url = null )
Examples:
osc_add_admin_menu_page( __('Listing'), // menu title osc_admin_base_url(true).'?page=items', // menu url 'items', // menu id 'moderator' // capability ) ;
osc_add_admin_submenu_page( 'items', // menu id __('Manage listings'), // submenu title osc_admin_base_url(true).'?page=items', // submenu url 'items_manage', // submenu id 'moderator' // capability ) ; ...