public function get_items( $request ) {
		$args = array(
			'user_id'           => $request['user_id'],
			'item_id'           => $request['item_id'],
			'secondary_item_id' => $request['secondary_item_id'],
			'component_name'    => $request['component_name'],
			'component_action'  => $request['component_action'],
			'order_by'          => $request['order_by'],
			'sort_order'        => strtoupper( $request['sort_order'] ),
			'is_new'            => $request['is_new'],
			'page'              => $request['page'],
			'per_page'          => $request['per_page'],
		);

		if ( empty( $request['component_action'] ) ) {
			$args['component_action'] = false;
		}

		if ( empty( $request['component_name'] ) ) {
			$args['component_name'] = false;
		}

		/**
		 * Filter the query arguments for the request.
		 *
		 * @since 5.0.0
		 *
		 * @param array           $args    Key value array of query var to query value.
		 * @param WP_REST_Request $request The request sent to the API.
		 */
		$args = apply_filters( 'bp_rest_notifications_get_items_query_args', $args, $request );

		// Actually, query it.
		$notifications = BP_Notifications_Notification::get( $args );

		$retval = array();
		foreach ( $notifications as $notification ) {
			$retval[] = $this->prepare_response_for_collection(
				$this->prepare_item_for_response( $notification, $request )
			);
		}

		$response = rest_ensure_response( $retval );

		/**
		 * Fires after notifications are fetched via the REST API.
		 *
		 * @since 5.0.0
		 *
		 * @param array            $notifications Fetched notifications.
		 * @param WP_REST_Response $response      The response data.
		 * @param WP_REST_Request  $request       The request sent to the API.
		 */
		do_action( 'bp_rest_notifications_get_items', $notifications, $response, $request );

		return $response;
	}