I'm trying to use a FieldExpressionValidator (or ExpressionValidator) to
compare fields. Unfortunately, it doesn't seem to be working. I have a radio
button (named "reason") and a text field named "friendEmail". If the
selected radio has a reason of "friend", I want to require the text field.
However, the expression "reason.equals('friend') and friendEmail == null"
doesn't seem to work. Is this expression syntax correct, or do I have to do
something additional to get a handle on the "reason" and "friendEmail"
values?
<field name="reason">
<field-validator type="requiredstring">
true
<message">Reason is a required field.</message>
</field-validator>
</field>
<validator type="fieldexpression">
friendEmail
reason.equals('friend') and friendEmail == null
<message>Please provide your friend's email</message>
</validator>
I've also tried the following, but no dice:
<field name="friendEmail">
<field-validator type="fieldexpression">
reason.equals('friend')
<message>Please provide your friend's email</message>
</field-validator>
</field>
Thanks,
Matt
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