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+Message Structure
+=================
+
+Base Attributes
+---------------
+
+| Attribute | Type | Example |
+| --- | --- | --- |
+| id|  |  |
+| token |  |  |
+
+Expansions
+----------
+
+Expansions are embedded structures of other objects that are related to the structure that you're viewing. Which expansions are returned by a specific action are shown on that action's documentation however some actions allow you to choose which expansions are returned.
+
+| Attribute | Type | Example |
+| --- | --- | --- |
+| status |  |  |
+| details |  |  |
+| inspection |  |  |
+| plain_body |  |  |
+| html_body |  |  |
+| attachments |  |  |
+| headers |  |  |
+| raw_message |  |  |
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