WeChat.MiniProgram.Live.Subscribe.push_message

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

push_message(client, room_id, openid_list)

Specs

长期订阅群发接口 - 官方文档

向长期订阅用户群发直播间开始事件