diff --git a/packages/expo-sms/src/__tests__/SMS-test.ts b/packages/expo-sms/src/__tests__/SMS-test.ts
index 888b998d77ddb..d9e865f4618e1 100644
--- a/packages/expo-sms/src/__tests__/SMS-test.ts
+++ b/packages/expo-sms/src/__tests__/SMS-test.ts
@@ -1,13 +1,34 @@
 import { NativeModulesProxy } from '@unimodules/core';
 
 import * as SMS from '../SMS';
+import { MMSAttachmentType } from '../SMS.types';
 
 it(`normalizes one phone number into an array`, async () => {
   const { ExpoSMS } = NativeModulesProxy;
 
   await SMS.sendSMSAsync('0123456789', 'test');
-  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(['0123456789'], 'test');
+  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(['0123456789'], 'test', undefined);
 
   await SMS.sendSMSAsync(['0123456789', '9876543210'], 'test');
-  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(['0123456789', '9876543210'], 'test');
+  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(
+    ['0123456789', '9876543210'],
+    'test',
+    undefined
+  );
+});
+
+it(`passes attachmentData parameter to native`, async () => {
+  const { ExpoSMS } = NativeModulesProxy;
+
+  await SMS.sendSMSAsync('0123456789', 'test');
+  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(['0123456789'], 'test', undefined);
+
+  const attachmentData = {
+    contentUri: 'path/myfile.png',
+    iOSFilename: 'myfile.png',
+    iOSType: 'public.png',
+    androidType: 'image/png',
+  } as MMSAttachmentType;
+  await SMS.sendSMSAsync('0123456789', 'test', attachmentData);
+  expect(ExpoSMS.sendSMSAsync).toHaveBeenLastCalledWith(['0123456789'], 'test', attachmentData);
 });