private function buildFundingConstraint( FundingConstraint $fundingConstraint , AbstractPayPalMessageFactory $factory ) {
$allowedFundingType = $fundingConstraint->allowedFundingType();
$allowedFundingConstraintElement = $factory->createMessageElement();
$allowedFundingTypeList = $factory->createMessageList();
foreach ( $allowedFundingType->getIterator() as $fundingType ) {
$fundingInfoElement = $factory->createMessageElement();
$fundingInfoElement->addChild( $factory->createMessageField( 'fundingType' , $factory->createMessagePrimitive( $fundingType ) ) );
$allowedFundingTypeList->addChild( $fundingInfoElement );
}
$fundingTypeInfoElement = $factory->createMessageField( 'fundingTypeInfo' , $allowedFundingTypeList );
$allowedFundingTypeElement = $factory->createMessageElement();
$allowedFundingTypeElement->addChild( $fundingTypeInfoElement );
$allowedFundingConstraintElement->addChild( $factory->createMessageField( 'allowedFundingType' , $allowedFundingTypeElement ) );
return $allowedFundingConstraintElement;
}
