public function add_toolbar_item() {

			$capability = apply_filters( 'tribe_events_addon_page_capability', 'install_plugins' );

			// prevent users who cannot install plugins from seeing addons link
			if ( current_user_can( $capability ) ) {
				global $wp_admin_bar;

				$wp_admin_bar->add_menu( array(
					'id'     => 'tribe-events-app-shop',
					'title'  => esc_html__( 'Event Add-Ons', 'tribe-common' ),
					'href'   => Tribe__Settings::instance()->get_url( array( 'page' => self::MENU_SLUG ) ),
					'parent' => 'tribe-events-settings-group',
				) );
			}
		}