src/Flash/FlashBag.php
public function clear()
    {
        $this->store->forget($this->sessionKey);

        $this->messages = collect();

        return $this;
    }
public function clear()
    {
        $this->store->forget($this->sessionKey);

        $this->messages = collect();

        return $this;
    }
Clear all registered messages.
@return $this