Adding Debug Messages to a Magento Module Jun 4, 2011 When you start building your own Magento modules/plugins, or even just resort to looking at the code to try to work out how to things need to be in your templates it is often useful to output debugging information. Magento helpfully provides such a facility but it is a bit tricky to find. Buried away in the depths of the System->Configuration menu under Advanced – Develop and then Log Settings you can turn on logging. Magento debug debugging log magento development