/* 
        This example demonstrates how to update a command definition
*/
var cmd = Application.CreateCommand("CustomCmd") ;
cmd.ScriptingName = "CustomCmd" ;
cmd.Handler = "CmdImpl" ; 
// Although we define the command with jscript
// the embedded code is vbscript!
cmd.Language = "JScript" ; 
cmd.Code = CmdImpl.toString() ;            
Application.AddCommand( cmd ) ;
// Now the command has been added to Softimage
// but our definition doesn't match CmdImpl, 
// which expects an argument.
// If we try to call the custom command
// we see that things are not working properly
try
{
        // Logs: CmdImpl called: undefined
        CustomCmd(); 
        // Causes error "Wrong number of arguments..."
        CustomCmd(1); 
}
catch( e )
{
}
// Now fix the command
cmd = Commands.Item("CustomCmd");
// Add a new argument with a default value of 1.
cmd.Arguments.Add("Arg1", siArgumentInput, 1);
// Commit changes.  Please note that all the changes would be local to
// cmd if Update is not called.
cmd.Update();
//Logs: CmdImpl called: 1
CustomCmd(); 
//Logs: CmdImpl called: 24
CustomCmd(24); 
// Cleanup
Application.RemoveCommand( "CustomCmd" ) ;
// This is the implementation of the custom command             
function CmdImpl( arg1 )
{
        Logmessage( "CmdImpl called: " + arg1 ) ;
        return arg1 ;
}