class employee exteds DataObject {
$has_one = array (
'MyEmployer' => 'EmployerPage'
)
}

class EmployerPage exteds Page {

$has_many = array (
'Employees' => 'Employee'
)
$MyTable = new HasManyComplexTableField(
         $this,
         'Employees',
         'Employee',
         array(
            'Name' => 'Name_label',            
         ),
         'getCMSFields_forPopup'
   );

      //Hightlighting
      $MyTable ->setHighlightConditions(array(
         array(
            'rule' => '$this->ID == $MyEmployerID', //think the problem is that $this->ID don't gets the proper value when evaluated ?¿?¿
            'class' => 'orange'
         )
      ));
}