Google My Business, Select Client -> See Profile -> Ask for Reviews. Copy the url
Create new -> Link
Paste their Google My Business review link
Title = Name of Business
Custom back-half = NAMEOFBUSINESS-ThankYou
Create (in bottom right)
**If a link already exists (many do), you can simply search to test/find it before trying to create or use the one that exists (test it) for other purposes such as QR codes in other steps**
You can manually copy it (just make sure https:// is before the bit.ly or Copy it with their built in feature
Test opening up the url on your phone. If it goes direct to leave a review for this client, then it's setup correctly.