& @trigger
 
  Syntax: @trigger[/<switch>] <object>/<attr> [=<param>[, <param>]...]
 
  Invokes an action list stored in an attribute on an object.  The
  triggering object becomes the enactor and the positional 
  parameters %0 through %9 are set to the supplied parameters.
 
  The @trigger command supports the following switch:
     quiet      - Inhibit 'Triggered.' acknowledgement messages.
 
  See also: LOOPING