diff --git a/types/google-apps-script/google-apps-script.gmail.d.ts b/types/google-apps-script/google-apps-script.gmail.d.ts
index 9a241db3e0..db8e6ecc52 100644
--- a/types/google-apps-script/google-apps-script.gmail.d.ts
+++ b/types/google-apps-script/google-apps-script.gmail.d.ts
@@ -187,6 +187,23 @@ declare namespace GoogleAppsScript {
       replyTo?: string;
     }
 
+    /**
+     * Options for a Gmail Attachments.
+     */
+    export type GmailAttachmentOptions = {
+      /**
+       * If the returned array of Blob attachments should include inline images.
+       */
+      includeInlineImages?: boolean;
+      /**
+       *  If the returned array of Blob attachments should include regular (non-inline) attachments.
+       */
+      includeAttachments?: boolean;
+      /**
+       * A comma-separated list of email addresses to BCC.
+       */
+    }
+    
     /**
      * A user-created label in a user's Gmail account.
      */
@@ -213,6 +230,7 @@ declare namespace GoogleAppsScript {
       forward(recipient: string): GmailMessage;
       forward(recipient: string, options: GmailDraftOptions): GmailMessage;
       getAttachments(): GmailAttachment[];
+      getAttachments(options: GmailAttachmentOptions): GmailAttachment[];
       getBcc(): string;
       getBody(): string;
       getCc(): string;