UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.92 Safari/537.36

Steps to reproduce the problem:
When I use the headless api,I want to get real-time url information,But the interface can only use http://127.0.0.1:9222/json to get the id of the websocket connection, and then use id to get the url information, but in some cases, a new tab will be generated. I can only pass http:// 127.0.0.1:9222/json to get the new tab id, but this efficiency is the bottom, because you need to constantly send http request to determine whether there is a new tab generation,

Is there an interface or method to get the real-time websocket id when the new tab is created?

What is the expected behavior?

What went wrong?
he is too slow

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 69.0.3497.92  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version:
 

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