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Special Characters for Reference Numbers Follow

There are some special characters that cannot be used in the reference number while using the Invite Your Customers module, setting up the Automatic Feedback Service, or the Unique Link.

Here is an overview of what is allowed and not allowed.

Allowed
! @ £ ¤ $ / - _ : ; ? \ | . , [] () {}
Not allowed
# * + " % &
If the reference number includes any of the above disallowed characters, clicking on the invitation link will return a server error.

A review link that does not work will look like this:

A working review link looks like this:

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