diff --git a/src/Illuminate/Notifications/Channels/SlackWebhookChannel.php b/src/Illuminate/Notifications/Channels/SlackWebhookChannel.php
index 0f4953174ec9..ab014d5ba4eb 100644
--- a/src/Illuminate/Notifications/Channels/SlackWebhookChannel.php
+++ b/src/Illuminate/Notifications/Channels/SlackWebhookChannel.php
@@ -82,6 +82,10 @@ protected function attachments(SlackMessage $message)
                 'text' => $attachment->content,
                 'title_link' => $attachment->url,
                 'fields' => $this->fields($attachment),
+                'mrkdwn_in' => $attachment->markdown,
+                'footer' => $attachment->footer,
+                'footer_icon' => $attachment->footerIcon,
+                'ts' => $attachment->timestamp,
             ]);
         })->all();
     }
diff --git a/src/Illuminate/Notifications/Messages/SlackAttachment.php b/src/Illuminate/Notifications/Messages/SlackAttachment.php
index 11c740347512..2bf12d091381 100644
--- a/src/Illuminate/Notifications/Messages/SlackAttachment.php
+++ b/src/Illuminate/Notifications/Messages/SlackAttachment.php
@@ -2,6 +2,8 @@
 
 namespace Illuminate\Notifications\Messages;
 
+use Carbon\Carbon;
+
 class SlackAttachment
 {
     /**
@@ -39,6 +41,34 @@ class SlackAttachment
      */
     public $fields;
 
+    /**
+     * The fields containing markdown.
+     *
+     * @var array
+     */
+    public $markdown;
+
+    /**
+     * The attachment's footer.
+     *
+     * @var string
+     */
+    public $footer;
+
+    /**
+     * The attachment's footer icon.
+     *
+     * @var string
+     */
+    public $footerIcon;
+
+    /**
+     * The attachment's timestamp.
+     *
+     * @var int
+     */
+    public $timestamp;
+
     /**
      * Set the title of the attachment.
      *
@@ -92,4 +122,56 @@ public function fields(array $fields)
 
         return $this;
     }
+
+    /**
+     * Set the fields containing markdown.
+     *
+     * @param  array  $fields
+     * @return $this
+     */
+    public function markdown(array $fields)
+    {
+        $this->markdown = $fields;
+
+        return $this;
+    }
+
+    /**
+     * Set the footer content.
+     *
+     * @param  string  $footer
+     * @return $this
+     */
+    public function footer($footer)
+    {
+        $this->footer = $footer;
+
+        return $this;
+    }
+
+    /**
+     * Set the footer icon.
+     *
+     * @param  string $icon
+     * @return $this
+     */
+    public function footerIcon($icon)
+    {
+        $this->footerIcon = $icon;
+
+        return $this;
+    }
+
+    /**
+     * Set the timestamp.
+     *
+     * @param  Carbon  $timestamp
+     * @return $this
+     */
+    public function timestamp(Carbon $timestamp)
+    {
+        $this->timestamp = $timestamp->getTimestamp();
+
+        return $this;
+    }
 }
diff --git a/tests/Notifications/NotificationSlackChannelTest.php b/tests/Notifications/NotificationSlackChannelTest.php
index c169b944e700..d6ac7bdec196 100644
--- a/tests/Notifications/NotificationSlackChannelTest.php
+++ b/tests/Notifications/NotificationSlackChannelTest.php
@@ -49,6 +49,10 @@ public function testCorrectPayloadIsSentToSlack()
                                     'short' => true,
                                 ],
                             ],
+                            'mrkdwn_in' => ['text'],
+                            'footer' => 'Laravel',
+                            'footer_icon' => 'https://laravel.com/fake.png',
+                            'ts' => 1234567890,
                         ],
                     ],
                 ],
@@ -102,11 +106,17 @@ public function toSlack($notifiable)
                     ->to('#ghost-talk')
                     ->content('Content')
                     ->attachment(function ($attachment) {
+                        $timestamp = Mockery::mock('Carbon\Carbon');
+                        $timestamp->shouldReceive('getTimestamp')->andReturn(1234567890);
                         $attachment->title('Laravel', 'https://laravel.com')
                                    ->content('Attachment Content')
                                    ->fields([
                                         'Project' => 'Laravel',
-                                    ]);
+                                    ])
+                                    ->footer('Laravel')
+                                    ->footerIcon('https://laravel.com/fake.png')
+                                    ->markdown(['text'])
+                                    ->timestamp($timestamp);
                     });
     }
 }