> For the complete documentation index, see [llms.txt](https://docs.infoway.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.infoway.io/websocket-api/subscribe-and-unsubscribe.md).

# Websocket 订阅方法

包括所有Websocket的订阅以及取消订阅的入参、出餐