Tips on Customizing CM Video Lessons Manager – Simplify video lessons management for better education

How to Hide CM Video Lesson Manager Admin Menus

function plt_hide_cm_video_lesson_manager_menus() {
	//Hide "CM Video Lesson Manager".
	remove_menu_page('cmvl');
	//Hide "CM Video Lesson Manager → Channels".
	remove_submenu_page('cmvl', 'edit.php?post_type=cmvl_channel');
	//Hide "CM Video Lesson Manager → Videos".
	remove_submenu_page('cmvl', 'cmvl-videos');
	//Hide "CM Video Lesson Manager → Courses".
	remove_submenu_page('cmvl', 'cmvl-courses');
	//Hide "CM Video Lesson Manager → Badges".
	remove_submenu_page('cmvl', 'cmvl-badges');
	//Hide "CM Video Lesson Manager → Progress Report".
	remove_submenu_page('cmvl', 'cmvl-progress-report');
	//Hide "CM Video Lesson Manager → Lesson Notes".
	remove_submenu_page('cmvl', 'cmvl-lesson-notes');
	//Hide "CM Video Lesson Manager → Settings".
	remove_submenu_page('cmvl', 'cmvl-settings');
	//Hide "CM Video Lesson Manager →".
	remove_submenu_page('cmvl', '#');
	//Hide "CM Video Lesson Manager → Upgradeāž¤".
	remove_submenu_page('cmvl', 'CMVL_pro');
	//Hide "CM Video Lesson Manager → User Guide".
	remove_submenu_page('cmvl', 'CMVL_about');
	//Hide "CM Video Lesson Manager → Related Plugins".
	remove_submenu_page('cmvl', 'CMVL_addons');
}

add_action('admin_menu', 'plt_hide_cm_video_lesson_manager_menus', 22);

Where do I put this code?

How to Hide the "Choose Vimeo Album" Meta Box

function plt_hide_cm_video_lesson_manager_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Choose Vimeo Album" meta box.
	remove_meta_box('CMVL-choose-channel', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_cm_video_lesson_manager_metaboxes', 20);