Tips on Customizing Review Schema – Review & Structure Data Schema Plugin

How to Hide Review Schema Admin Menus

function plt_hide_review_schema_menus() {
	//Hide "Review Schema".
	remove_menu_page('review-schema');
	//Hide "Review Schema → All Review Schema".
	remove_submenu_page('review-schema', 'edit.php?post_type=rtrs');
	//Hide "Review Schema → All Reviews".
	remove_submenu_page('review-schema', 'rtrs-reviews');
	//Hide "Review Schema → All Affiliates".
	remove_submenu_page('review-schema', 'edit.php?post_type=rtrs_affiliate');
	//Hide "Review Schema → Settings".
	remove_submenu_page('review-schema', 'rtrs-settings');
	//Hide "Review Schema → Get Help".
	remove_submenu_page('review-schema', 'rtrs-reviews-get-help');
}

add_action('admin_menu', 'plt_hide_review_schema_menus', 31);

Where do I put this code?

How to Hide Review Schema Meta Boxes

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

	//Hide the "Review Schema Generator" meta box.
	remove_meta_box('rtrs_meta', $screen->id, 'normal');
	//Hide the "Documentation" meta box.
	remove_meta_box('rt_plugin_sc_pro_information', $screen->id, 'side');
}

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