$addon_workspace = "image_edit";
// menu where the addon should appear in admin panel. in this case: images menu
$addon_menu = "images";
// What would be the title of submenu of this addon: 12cropimage
$addon_admin_submenu = "12cropimage";
// What is the function
$addon_function_name = "cropimage12_admin_addon";

// add the function
add_admin_functions($addon_function_name,$addon_workspace,$addon_menu,$addon_admin_submenu);