diff --git a/lib/src/MetadataBuffer.cpp b/lib/src/MetadataBuffer.cpp
index 814418b..e0f2ef0 100644
--- a/lib/src/MetadataBuffer.cpp
+++ b/lib/src/MetadataBuffer.cpp
@@ -72,3 +72,8 @@ shared_ptr<char> MetadataBuffer::get_metadata_values(string name)
 
     return metadata->second;
 }
+
+shared_ptr<unordered_map<string, HeaderDataType>> MetadataBuffer::get_header_values_type()
+{
+    return header_values_type;
+}
\ No newline at end of file
diff --git a/lib/src/MetadataBuffer.hpp b/lib/src/MetadataBuffer.hpp
index 1294972..d9bb388 100644
--- a/lib/src/MetadataBuffer.hpp
+++ b/lib/src/MetadataBuffer.hpp
@@ -19,6 +19,7 @@ class MetadataBuffer
 		MetadataBuffer(uint64_t n_images, std::shared_ptr<std::unordered_map<std::string, HeaderDataType>> header_values_type);
 		void add_metadata_to_buffer(std::string name, uint64_t frame_index, const char* data);
 		std::shared_ptr<char> get_metadata_values(std::string name);
+		std::shared_ptr<std::unordered_map<std::string, HeaderDataType>> get_header_values_type();
 };
 
 #endif