public function installCustomerAttributes()
    {        
        foreach ($this->_customerAttributes as $code => $attr) {
            $this->addAttribute('customer', $code, $attr);
        }

        return $this;
    }
public function installCustomerAttributes()
    {        
        foreach ($this->_customerAttributes as $code => $attr) {
            $this->addAttribute('customer', $code, $attr);
        }

        return $this;
    }
public function installCustomerAttributes ( ) { foreach ( $ this -> _customerAttributes as $ code => $ attr ) { $ this -> addAttribute ( 'customer' , $ code , $ attr ) ; } return $ this ; }
Add our custom attributes

@return Mage_Eav_Model_Entity_Setup
Add our custom attributes