How can i validate empty TextField

Question

In my application maker 1 &maker 2 both users submit data, if any difference between both users reviewer return the task to particular person now we are getting unmatched fileds and we are highlighting also,
like this 
if maker 1 give HOGN_DDA maker 2 didn't give value then reviewer return To maker 2 now the text field not highlighted, as per my knowledge we can't highlight filed without value

shubhama926776 · Answer

as per my knowledge we can't highlight filed without value

You cannot apply validations on null/empty values since validation expressions don't trigger on empty fields.
The closest workaround is to use the required parameter along with requiredMessage for a custom message, which highlights the empty field with a red border(use a combination of the required and validations parameters together to mimic the highlight effect on an empty field.)

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