Merge 2a82fdb into 576e3b0

src/Attachment.php

@@ -119,6 +119,14 @@ class Attachment
      */
     protected $markdown_fields = [];
 
+    /**
+     * The callback_id used by the API receiving
+     * the POST request to respond to interactive buttons 
+     *
+     * @var string
+     */
+    protected $callback_id;
+
     /**
      * A collection of actions (buttons) to include in the attachment.
      * A maximum of 5 actions may be provided.
@@ -199,6 +207,10 @@ public function __construct(array $attributes)
             $this->setAuthorIcon($attributes['author_icon']);
         }
 
+        if (isset($attributes['callback_id'])) {
+            $this->setCallbackId($attributes['callback_id']);
+        }
+
         if (isset($attributes['actions'])) {
             $this->setActions($attributes['actions']);
         }
@@ -623,6 +635,28 @@ public function setMarkdownFields(array $fields)
         return $this;
     }
 
+    /**
+     * Get the callback_id specified for the attachment
+     *
+     * @return string
+     */
+    public function getCallbackId()
+    {
+        return $this->callback_id;
+    }
+
+    /**
+     * Set the callback_id for the attachment
+     *
+     * @param string
+     * @return $this
+     */    public function setCallbackId($callback_id)
+    {
+        $this->callback_id = $callback_id;
+
+        return $this;
+    }
+
     /**
      * Get the collection of actions (buttons) to include in the attachment.
      *
@@ -694,6 +728,7 @@ public function toArray()
             'author_name' => $this->getAuthorName(),
             'author_link' => $this->getAuthorLink(),
             'author_icon' => $this->getAuthorIcon(),
+            'callback_id' => $this->getCallbackId(),
         ];
 
         $data['fields'] = $this->getFieldsAsArrays();

tests/AttachmentUnitTest.php

@@ -86,6 +86,7 @@ public function testAttachmentToArray()
             'author_name' => 'Joe Bloggs',
             'author_link' => 'http://fake.host/',
             'author_icon' => 'http://fake.host/image.png',
+            'callback_id' => 'comic_1234_xyz',
             'fields' => [
               [
                 'title' => 'Title 1',