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    <h3>Editing: SimpleMessage.php</h3>
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namespace Illuminate\Notifications\Messages;

use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Notifications\Action;

class SimpleMessage
{
    /**
     * The &quot;level&quot; of the notification (info, success, error).
     *
     * @var string
     */
    public $level = 'info';

    /**
     * The subject of the notification.
     *
     * @var string
     */
    public $subject;

    /**
     * The notification's greeting.
     *
     * @var string
     */
    public $greeting;

    /**
     * The notification's salutation.
     *
     * @var string
     */
    public $salutation;

    /**
     * The &quot;intro&quot; lines of the notification.
     *
     * @var array
     */
    public $introLines = [];

    /**
     * The &quot;outro&quot; lines of the notification.
     *
     * @var array
     */
    public $outroLines = [];

    /**
     * The text / label for the action.
     *
     * @var string
     */
    public $actionText;

    /**
     * The action URL.
     *
     * @var string
     */
    public $actionUrl;

    /**
     * The name of the mailer that should send the notification.
     *
     * @var string
     */
    public $mailer;

    /**
     * Indicate that the notification gives information about a successful operation.
     *
     * @return $this
     */
    public function success()
    {
        $this-&gt;level = 'success';

        return $this;
    }

    /**
     * Indicate that the notification gives information about an error.
     *
     * @return $this
     */
    public function error()
    {
        $this-&gt;level = 'error';

        return $this;
    }

    /**
     * Set the &quot;level&quot; of the notification (success, error, etc.).
     *
     * @param  string  $level
     * @return $this
     */
    public function level($level)
    {
        $this-&gt;level = $level;

        return $this;
    }

    /**
     * Set the subject of the notification.
     *
     * @param  string  $subject
     * @return $this
     */
    public function subject($subject)
    {
        $this-&gt;subject = $subject;

        return $this;
    }

    /**
     * Set the greeting of the notification.
     *
     * @param  string  $greeting
     * @return $this
     */
    public function greeting($greeting)
    {
        $this-&gt;greeting = $greeting;

        return $this;
    }

    /**
     * Set the salutation of the notification.
     *
     * @param  string  $salutation
     * @return $this
     */
    public function salutation($salutation)
    {
        $this-&gt;salutation = $salutation;

        return $this;
    }

    /**
     * Add a line of text to the notification.
     *
     * @param  mixed  $line
     * @return $this
     */
    public function line($line)
    {
        return $this-&gt;with($line);
    }

    /**
     * Add lines of text to the notification.
     *
     * @param  iterable  $lines
     * @return $this
     */
    public function lines($lines)
    {
        foreach ($lines as $line) {
            $this-&gt;line($line);
        }

        return $this;
    }

    /**
     * Add a line of text to the notification.
     *
     * @param  mixed  $line
     * @return $this
     */
    public function with($line)
    {
        if ($line instanceof Action) {
            $this-&gt;action($line-&gt;text, $line-&gt;url);
        } elseif (! $this-&gt;actionText) {
            $this-&gt;introLines[] = $this-&gt;formatLine($line);
        } else {
            $this-&gt;outroLines[] = $this-&gt;formatLine($line);
        }

        return $this;
    }

    /**
     * Format the given line of text.
     *
     * @param  \Illuminate\Contracts\Support\Htmlable|string|array  $line
     * @return \Illuminate\Contracts\Support\Htmlable|string
     */
    protected function formatLine($line)
    {
        if ($line instanceof Htmlable) {
            return $line;
        }

        if (is_array($line)) {
            return implode(' ', array_map('trim', $line));
        }

        return trim(implode(' ', array_map('trim', preg_split('/\\r\\n|\\r|\\n/', $line ?? ''))));
    }

    /**
     * Configure the &quot;call to action&quot; button.
     *
     * @param  string  $text
     * @param  string  $url
     * @return $this
     */
    public function action($text, $url)
    {
        $this-&gt;actionText = $text;
        $this-&gt;actionUrl = $url;

        return $this;
    }

    /**
     * Set the name of the mailer that should send the notification.
     *
     * @param  string  $mailer
     * @return $this
     */
    public function mailer($mailer)
    {
        $this-&gt;mailer = $mailer;

        return $this;
    }

    /**
     * Get an array representation of the message.
     *
     * @return array
     */
    public function toArray()
    {
        return [
            'level' =&gt; $this-&gt;level,
            'subject' =&gt; $this-&gt;subject,
            'greeting' =&gt; $this-&gt;greeting,
            'salutation' =&gt; $this-&gt;salutation,
            'introLines' =&gt; $this-&gt;introLines,
            'outroLines' =&gt; $this-&gt;outroLines,
            'actionText' =&gt; $this-&gt;actionText,
            'actionUrl' =&gt; $this-&gt;actionUrl,
            'displayableActionUrl' =&gt; str_replace(['mailto:', 'tel:'], '', $this-&gt;actionUrl ?? ''),
        ];
    }
}
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