Need help with SCXML transition cond syntax.

[Paul Spencer]

Version 1.1.0-SNAPSHOT

I would like a transition to be selected when a bean's field is not empty. If 
the field is
an empty string, "", or null I do not want the transition executed.  Below is
the syntax in JSF EL.
  #{not empty dialogData.companyId}

What is the equivalent in SCXML?

  <transition ... cond=" ? "/>

Paul Spencer