protected function set_root_value( $value ) {
		$id_base = $this->id_data['base'];

		// First delete the current user-meta.
		// We're doing this to avoid duplicate entries.
		delete_user_meta( get_current_user_id(), $id_base );

		// Update the user-meta.
		return update_user_meta( get_current_user_id(), $id_base, $value );
	}