The following is a reference for formVista provided variables that you may encounter in template fragment files:
${HREF} - contains a URL generated by the <link> tag. See ${LINK}
${LINK} - (deprecated) identical to ${HREF}, used in divmenu item tag.
${HIDDEN_VARS} - contains a list of <input type=”hidden” ...> HTML tags generated by a FORM component or a LIST component (as part of next or previous page buttons).
${QUERY_VARS} - contains a list of query vars generated by, for instance, a list component for Next and Previous links.
${CHILDTAGS} - expands to contain the output of all tags under the current tag.