diff --git a/src/api/model/message.ts b/src/api/model/message.ts
index 3c0b4077c..25baaa6f8 100644
--- a/src/api/model/message.ts
+++ b/src/api/model/message.ts
@@ -32,6 +32,20 @@ export interface Message {
    * The body of the message. If the message type is `chat` , `body` will be the text of the chat. If the message type is some sort of media, then this body will be the thumbnail of the media.
    */
   body: string;
+  /**
+   * The device ID of the device that sent the message. This is only present if the message was sent from host account-linked session. This is useful for determining if a message was sent from a different mobile device (note that whenever a device) or a desktop session.
+   * 
+   * Note: This will emit a number for the current controlled session also but the only way to know if the number represents the current session is by checking `local` (it will be `true` if the message was sent from the current session).
+   * 
+   * If the device ID is `0` then the message was sent from the "root" host account device.
+   * 
+   * This might be undefined for incoming messages.
+   */
+  device: number;
+  /**
+   * If the message was sent from this controlled session this will be `true`. This is useful for determining if a message was sent from a different mobile device (note that whenever a device) or a desktop session.
+   */
+  local: boolean;
   /**
    * a convenient way to get the main text content from a message.
    */