source/Core/Module/ModuleInstaller.php
protected function _saveToConfig($sVariableName, $sVariableValue, $sVariableType = 'aarr')
    {
        $oConfig = \OxidEsales\Eshop\Core\Registry::getConfig();
        $oConfig->saveShopConfVar($sVariableType, $sVariableName, $sVariableValue);
    }
protected function _saveToConfig($sVariableName, $sVariableValue, $sVariableType = 'aarr')
    {
        $oConfig = \OxidEsales\Eshop\Core\Registry::getConfig();
        $oConfig->saveShopConfVar($sVariableType, $sVariableName, $sVariableValue);
    }
protected function _saveToConfig ( $ sVariableName , $ sVariableValue , $ sVariableType = 'aarr' ) { $ oConfig = \ OxidEsales \ Eshop \ Core \ Registry :: getConfig ( ) ; $ oConfig -> saveShopConfVar ( $ sVariableType , $ sVariableName , $ sVariableValue ) ; }
Save module parameters to shop config

@param string $sVariableName  config name
@param string $sVariableValue config value
@param string $sVariableType  config type
Save module parameters to shop config