To Get the Magento backend Value
###To add a field in backend and to get the backend value in magento### Step1: If you want to add any custom field goto the etc/system.xml file of that module and add it.(you can just copy paste the any block and change the name of that block) Step2: Now your copied field will display on the backend,place some value and save it. Step3: Now search Your assign value in the data base,you will find the value in core_config_data example: I have placed the input value as 42721212 database in core_config_data table: cloudzoom/general/zoom_width 42721212 Step 4: To get the value use helper,Search the helper model in the file and use getCfg() to get the value here $h=Mage::getStoreConfig('cloudzoom/general/zoom_width ',Mage::app()->getStore()); or $h=Mage::getStoreConfig('cloudzoom/general/zoom_width'); echo $h;