Method getParam

/**
 * Gets parameter value in the extensions row of the extension table
 *
 * @param   string   $name  The name of the parameter to be retrieved
 * @param   integer  $id    The id of the item in the Param Table
 *
 * @return  string  The parameter desired
 *
 * @since   3.6
 */
public function getParam($name, $id = 0)
{
    if (!\is_int($id) || $id == 0) {
        // Return false if there is no item given
        return false;
    }
    $params = $this->getItemArray('params', $this->paramTable, 'id', $id);
    return $params[$name];
}