One you have set up a Feedback collector process, and start sending email to client, let us present what client see.
Client will land on next page
If the client choose a score unde 7 he will see the next screen, where he can imput a message that will be visible only to you
But in case scor is 7 or above the client can share his feedback on social networks
You can set up your own link for social networks, so client lands on your page.
This URLs can be edited for each Company Identity : Administration -> Company -> Company Identities -> select an identity