src/Colorium/Stateful/Provider/Repository.php
public function get($key, $fallback = null)
    {
        return ArrayDot::get($_SESSION[$this->root], $key, $fallback);
    }
public function get($key, $fallback = null)
    {
        return ArrayDot::get($_SESSION[$this->root], $key, $fallback);
    }
Get value in session

@param string $key
@param mixed $fallback
@return mixed