%component_tree =
( component1 => 
{ 
(name => "command1", id=> "001"),
(name => "command2", id=> "002"),
                
(name => "command3", id=> "003"),
         
(name => "command4", id=> "004")
 },
        
component2 => {
 (name => "command5", id=> "011"),
 (name => "command6", id=> "012"),
 (name => "command7", id=> "013"),
 (name => "command8", id=> "014")
 },
 );