The support to configurable products and price rules is available since MageFlowConnector (MFX) 1.4.2. Please be sure to always use the latest version of MFX. Please follow Magento’s standard extension upgrade procedures. Always backup your data before upgrades and disable/clear caches.
Disclaimer I really like scripts. I use them every day. I write them every other day. I secretly love ’em♡. I also love hammers and powertools. However I don’t use a hammer to fix my guitar (I’ve got a couple of Epiphones and