diff --git a/components/doc/messages/index.js b/components/doc/messages/index.js
index 945c4ecba2..d6fcdc1545 100644
--- a/components/doc/messages/index.js
+++ b/components/doc/messages/index.js
@@ -476,6 +476,12 @@ messages.current.show({severity: 'success', summary: 'Success Message', detail:
                                 </tr>
                             </thead>
                             <tbody>
+                                <tr>
+                                    <td>id</td>
+                                    <td>string</td>
+                                    <td>null</td>
+                                    <td>Unique id of the message.</td>
+                                </tr>
                                 <tr>
                                     <td>severity</td>
                                     <td>string</td>
@@ -518,6 +524,12 @@ messages.current.show({severity: 'success', summary: 'Success Message', detail:
                                     <td>3000</td>
                                     <td>Delay in milliseconds to close the message automatically.</td>
                                 </tr>
+                                <tr>
+                                    <td>icon</td>
+                                    <td>IconType</td>
+                                    <td>Defaults to severiy icon</td>
+                                    <td>Defines the icon to display.</td>
+                                </tr>
                             </tbody>
                         </table>
                     </div>
diff --git a/components/lib/messages/messages.d.ts b/components/lib/messages/messages.d.ts
index 97d48f4bd1..51202f239a 100644
--- a/components/lib/messages/messages.d.ts
+++ b/components/lib/messages/messages.d.ts
@@ -9,6 +9,7 @@ type MessagesMessageType = MessagesMessage | MessagesMessage[];
 export interface MessagesMessage {
     id?: string;
     severity?: MessagesSeverityType;
+    content?: React.ReactNode;
     summary?: React.ReactNode;
     detail?: React.ReactNode;
     closable?: boolean;