gistfile1.php

   /**
     * Returns an array of indices for the current module
     *
     * @return array
     */
    private function _getIndexVardefs()
    {
        $indexes = $this->_focus->getIndices();
        
        if ( $this->_focus->getFieldDefinition('email1') )
            $indexes[] = array(
                'name' => 'special_idx_email1',
                'type' => 'index',
                'fields' => array('email1')
                );
        if ( $this->_focus->getFieldDefinition('email2') )
            $indexes[] = array(
                'name' => 'special_idx_email2',
                'type' => 'index',
                'fields' => array('email2')
                );
        
        //BEGIN CUSTOMIZATION - Add index for contacts module
        if ( $this->_focus->module_dir == 'Contacts') )
            $indexes[] = array(
                'name' => 'special_idx_first_last_email',
                'type' => 'index',
                'fields' => array('first_name','last_name','email1')
                );
        //END CUSTOMIZATION    
        
        return $indexes;
    }