The variable doesn't work

Document ID : KB000117317
Last Modified Date : 10/10/2018
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I'm trying to specify the variable $( as a field value as per the documentation. Even though my user has a phone number this does not fill in the field. In addition if my field is "required" this seems to remove the asterisk denoting this.
This is documented here:
This is being corrected in the documentation but now that the user fields contain multiple phone numbers this variable should be specified as:
or if you want to remove whitespace:
As long as you have a valid variable in "value" the asterisk denoting a required field is preserved as well.