diff --git a/core-buffer/include/formats.hpp b/core-buffer/include/formats.hpp
index d4961d8..2678b23 100644
--- a/core-buffer/include/formats.hpp
+++ b/core-buffer/include/formats.hpp
@@ -20,6 +20,16 @@ struct ModuleFrame {
 #pragma pack(push)
 #pragma pack(1)
 struct ImageMetadata {
+    uint64_t pulse_id;
+    uint64_t frame_index;
+    uint32_t daq_rec;
+    uint32_t is_good_image;
+};
+#pragma pack(pop)
+
+#pragma pack(push)
+#pragma pack(1)
+struct NewImageMetadata {
     uint64_t version; // protocol version
 
     uint64_t id; // pulse_id for SF, frame_index for SLS
@@ -51,7 +61,7 @@ struct BufferBinaryFormat {
 
 class ImageBinaryFormat {
     public:
-    ImageMetadata meta;
+	NewImageMetadata meta;
     std::vector<char> data;
     ImageBinaryFormat(size_t H, size_t W, size_t D): data(H*W*D, 0) { meta.height = H; meta.width = W; };
     ~ImageBinaryFormat(){ std::cout << "ImageBinaryFormat destructor called!" << std::endl; }