this is a JavaScript Class for work with BehPardakht API
var behPardakht = new require("beh-pardakht");
behPardakht.bpPayRequest( transactionId , amountCharge , desc , function( err , refId ){
if( err ){
/*
err.message is exception message or bank answer when payment is not success
err.statusCode 500 is server error 406 is behPardakht error
err.resCode behpardakht answer code
*/
return next( err );
}else{
// redirect to bank with refId
}
});