WeChat.ServerMessage.EventHandler.handle_post

You're seeing just the function handle_post, go back to WeChat.ServerMessage.EventHandler module for more information.
Link to this function

handle_post(conn, client, handle_event_fun)

Specs

handle_post(Plug.Conn.t(), WeChat.client(), handle_event_fun()) ::
  {status(), String.t()}

接受事件推送