prevText Specifies the content of the field before it changes in response to the actions of a user. The prevText value can be recalled, similar to an undo feature. Syntax Reference_Syntax.prevText Values Type Values String A string up to 255 characters. Applies to Model Object Event Model eventPseudoModel Version XFA 2.1 Examples JavaScript xfa.event.prevText; FormCalc xfa.event.prevText