payment - Pay by cash magento backend -

hi guys have problem,

sometimes go events , there sell our products. want add transactions magento store. when create new order can add out payment method. try add

protected $_canusecheckout = false; protected $_canuseformultishipping = false;

to checkmo.php file ,

protected $_canuseinternal = true; protected $_canusecheckout = false;

into purchaseorder.php file

it still doesn't work, how should now? want add pay in cash method or this. help

in system > config > sales > payment methods activate check / money order.

(you might want deactivate afterwards if don't want appear on frontend. or hide it.)

Script