public function _meta_box_display_callback() {
		$group_id = isset( $_GET['gid'] ) ? (int) $_GET['gid'] : 0;
		$screen   = $this->screens['admin'];

		$extension_slug = $this->slug;
		$callback = function() use ( $extension_slug, $group_id ) {
			do_action( 'bp_groups_admin_meta_box_content_' . $extension_slug, $group_id );
		};

		add_meta_box(
			$screen['slug'],
			$screen['name'],
			$callback,
			get_current_screen()->id,
			$screen['metabox_context'],
			$screen['metabox_priority']
		);
	}