Icarus Class: Href
Class representing a hyperlink reference.
libs Library Attribute may stay unnamed in attribute list. 
  One or more databanks to be linked to.
url  
  the URL to the data source. Parameters passed to the $HLink function can be used here and must be specified as $p1, $p2 ...$p9
field SrsField  
  One or more fields to be queried. By default the ID field is used
link  
  obsolete
check   n
  y n
  Inserts the link after checking the validity by performing the query expressed in the link. Checks only links to internal SRS server.