diff --git a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
--- a/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
+++ b/native/cpp/CommonCpp/NativeModules/CommCoreModule.cpp
@@ -4,9 +4,11 @@
 #include "DatabaseManager.h"
 #include "DraftStoreOperations.h"
 #include "InternalModules/GlobalDBSingleton.h"
+#include "InternalModules/RustPromiseManager.h"
 #include "MessageStoreOperations.h"
 #include "TerminateApp.h"
 #include "ThreadStoreOperations.h"
+#include "lib.rs.h"
 
 #include <ReactCommon/TurboModuleUtils.h>
 #include <folly/dynamic.h>
diff --git a/native/native_rust_library/src/lib.rs b/native/native_rust_library/src/lib.rs
--- a/native/native_rust_library/src/lib.rs
+++ b/native/native_rust_library/src/lib.rs
@@ -1,3 +1,5 @@
+use crate::ffi::string_callback;
+use crate::identity::Empty;
 use lazy_static::lazy_static;
 use std::sync::Arc;
 use tokio::runtime::{Builder, Runtime};
@@ -98,6 +100,13 @@
     // Crypto Tools
     fn generate_device_id(device_type: DeviceType) -> Result<String>;
   }
+
+  unsafe extern "C++" {
+    include!("RustCallback.h");
+    #[namespace = "comm"]
+    #[cxx_name = "stringCallback"]
+    fn string_callback(error: String, counter: u32, ret: String);
+  }
 }
 
 #[derive(Debug)]