WeChat.MiniProgram.Live.Room.get_replay

You're seeing just the function get_replay, go back to WeChat.MiniProgram.Live.Room module for more information.
Link to this function

get_replay(client, room_id, start \\ 0, limit \\ 10)

Specs

get_replay(WeChat.client(), room_id(), start(), limit()) :: WeChat.response()

获取直播间回放 - 官方文档

该接口可在直播结束后拿到回放源视频