How to do whitelist domain when i have enable hotlink protection

Currently in my website, i have enable hotlink protection.

When i search my images at google images then its give me error as 403 forbidden. Now i want to whitelist google and other search engine to access my website images.

I have read below link for enable hotlink protection. Can anyone help which file i have to edit and put the workers code? is there any tutorial or guide for setting up hotlink protection.

Thanks in advance.

Is anyone here who can help me for the above problem?

According to a couple of threads, Hotlink protection isn’t blocking Google. Your experience appears to contradict these findings, so I don’t know why it’s blocking: