diff --git a/include/MLModelRunner/MLModelRunner.h b/include/MLModelRunner/MLModelRunner.h
index d99a6c6f..5b71e4d2 100644
--- a/include/MLModelRunner/MLModelRunner.h
+++ b/include/MLModelRunner/MLModelRunner.h
@@ -39,19 +39,24 @@
 #include "SerDes/baseSerDes.h"
 #include "SerDes/bitstreamSerDes.h"
 #include "SerDes/jsonSerDes.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/raw_ostream.h"
 
 #include <cstdlib>
+#include <fstream>
 #include <future>
 #include <memory>
+#include <ostream>
+#include <streambuf>
 #include <string>
 #include <type_traits>
 
 #ifndef C_LIBRARY
 #include "SerDes/protobufSerDes.h"
 #include "SerDes/tensorflowSerDes.h"
+#include <google/protobuf/text_format.h>
 #endif
 namespace MLBridge {
-
 /// MLModelRunner - The main interface for interacting with the ML models.
 class MLModelRunner {
 public:
@@ -73,21 +78,69 @@ class MLModelRunner {
       void>::type
   evaluate(T &data, size_t &dataSize) {
     using BaseType = typename std::remove_pointer<T>::type;
-    void *res = evaluateUntyped();
+    auto *res = evaluateUntyped();
     T ret = static_cast<T>(malloc(SerDes->getMessageLength()));
     memcpy(ret, res, SerDes->getMessageLength());
     dataSize = SerDes->getMessageLength() / sizeof(BaseType);
     data = ret;
+    std::error_code EC;
+    llvm::raw_fd_ostream fileStream("test-raw.txt", EC, llvm::sys::fs::OF_Append);
+    dumpOutput(fileStream, ret, dataSize);
+  }
+
+  template <typename T> void dumpOutput(llvm::raw_ostream &OS, T output_vec, int DataSize) {
+
+    OS<<"Dumping output"<<": ";
+    for(auto i=0;i<DataSize;i++) {
+        OS << output_vec[i] << " ";
+    }
+    OS << "\n";
   }
 
+  template <typename T> void dumpOuput(llvm::raw_ostream &OS,T &var1, int DataSize) {
+    OS<<"Dumping output"<<": ";
+    OS << var1 << "\n";
+  }
+
+
+
   /// Type of the MLModelRunner
   enum class Kind : int { Unknown, Pipe, gRPC, ONNX, TFAOT };
 
+
   Kind getKind() const { return Type; }
   BaseSerDes::Kind getSerDesKind() const { return SerDesType; }
 
   virtual void requestExit() = 0;
+  std::promise<void> *exit_requested;
+
+  template <typename T, typename... Types>
+  void passMetaInfo(llvm::raw_ostream &OS,std::pair<std::string, T> &var1,
+                    std::pair<std::string, Types> &...var2) {
+    OS << var1.first << ": " << var1.second << "\n";
+    passMetaInfo(var2...);
+  }
+
+  //void passMetaInfo() {}
 
+  template <typename T> void dumpFeature(llvm::raw_ostream &OS,std::pair<std::string, T> &var1) {
+    OS<<"Dumping input 1"<<": ";
+    OS << var1.first << ": " << var1.second << "\n";
+  }
+
+  template <typename T>
+  void dumpFeature(llvm::raw_ostream &OS,std::pair<std::string, std::vector<T>> &var1) {
+    OS<<"Dumping input 2"<<": ";
+    OS << var1.first << ": ";
+    for (const auto &elem : var1.second) {
+      OS << elem << " ";
+    }
+    OS << "\n";
+  }
+
+  void dumpFeature(llvm::raw_ostream &OS,std::pair<std::string, std::vector<Message *>> &var1) {
+
+  }
   /// User-facing interface for setting the features to be sent to the model.
   /// The features are passed as a list of key-value pairs.
   /// The key is the name of the feature and the value is the value of the
@@ -96,6 +149,9 @@ class MLModelRunner {
   void populateFeatures(std::pair<std::string, T> &var1,
                         std::pair<std::string, Types> &...var2) {
     SerDes->setFeature(var1.first, var1.second);
+    std::error_code EC;
+    llvm::raw_fd_ostream fileStream("test-raw.txt", EC, llvm::sys::fs::OF_Append);
+    dumpFeature(fileStream,var1);
     populateFeatures(var2...);
   }