..tip::

Behind the scenes, these variables are made available to the ``FormView``

object of your form when the Form component calls ``buildView`` and ``buildViewBottomUp``

object of your form when the Form component calls ``buildView`` and ``finishView``

on each "node" of your form tree. To see what "view" variables a particular

field has, find the source code for the form field (and its parent fields)

and look at the above two functions.