diff --git a/tests/foo/1.0/IFoo.hal b/tests/foo/1.0/IFoo.hal
index 9642e2a..f54994f 100644
--- a/tests/foo/1.0/IFoo.hal
+++ b/tests/foo/1.0/IFoo.hal
@@ -121,6 +121,10 @@
         bitfield<BitField> bf;
     };
 
+    struct WithFmq {
+        fmq_sync<uint8_t> descSync;
+    };
+
     enum Discriminator : uint8_t {
         BOOL,
         INT,
@@ -204,4 +208,6 @@
     createMyHandle() generates (MyHandle h);
     createHandles(uint32_t size) generates (vec<handle> handles);
     closeHandles();
+
+    repeatWithFmq(WithFmq withFmq) generates (WithFmq withFmq);
 };
diff --git a/tests/foo/1.0/default/Foo.cpp b/tests/foo/1.0/default/Foo.cpp
index a31ab9f..461568b 100644
--- a/tests/foo/1.0/default/Foo.cpp
+++ b/tests/foo/1.0/default/Foo.cpp
@@ -379,6 +379,11 @@
     return Void();
 }
 
+Return<void> Foo::repeatWithFmq(const IFoo::WithFmq& withFmq, repeatWithFmq_cb _hidl_cb) {
+    _hidl_cb(withFmq);
+    return Void();
+}
+
 IFoo* HIDL_FETCH_IFoo(const char* /* name */) {
     return new Foo();
 }
diff --git a/tests/foo/1.0/default/Foo.h b/tests/foo/1.0/default/Foo.h
index 7dd672b..d73179a 100644
--- a/tests/foo/1.0/default/Foo.h
+++ b/tests/foo/1.0/default/Foo.h
@@ -53,6 +53,8 @@
     virtual Return<void> createMyHandle(createMyHandle_cb _hidl_cb)  override;
     virtual Return<void> createHandles(uint32_t size, createHandles_cb _hidl_cb)  override;
     virtual Return<void> closeHandles()  override;
+    virtual Return<void> repeatWithFmq(const IFoo::WithFmq& withFmq,
+                                       repeatWithFmq_cb _hidl_cb) override;
 
     Return<void> haveAVectorOfInterfaces(
             const hidl_vec<sp<ISimple> > &in,
@@ -63,6 +65,7 @@
             haveAVectorOfGenericInterfaces_cb _hidl_cb) override;
 
     Return<void> echoNullInterface(const sp<IFooCallback> &cb, echoNullInterface_cb _hidl_cb) override;
+
 private:
     std::vector<::native_handle_t *> mHandles;
 };