diff --git a/include/spdlog/details/log_msg.h b/include/spdlog/details/log_msg.h
index 1badf9e8..39c054f5 100644
--- a/include/spdlog/details/log_msg.h
+++ b/include/spdlog/details/log_msg.h
@@ -5,14 +5,23 @@
 
 #include <string>
 
+#include "../attributes.h"
 #include "../common.h"
 
 namespace spdlog {
 namespace details {
 struct SPDLOG_API log_msg {
     log_msg() = default;
+    log_msg(log_clock::time_point log_time,
+            source_loc loc,
+            string_view_t logger_name,
+            level lvl,
+            string_view_t msg,
+            log_attributes attributes);
     log_msg(log_clock::time_point log_time, const source_loc &loc, string_view_t logger_name, level lvl, string_view_t msg);
     log_msg(const source_loc &loc, string_view_t logger_name, level lvl, string_view_t msg);
+    log_msg(source_loc loc, string_view_t logger_name, level lvl, string_view_t msg, log_attributes attributes);
+    log_msg(string_view_t logger_name, level lvl, string_view_t msg, log_attributes attributes);
     log_msg(string_view_t logger_name, level lvl, string_view_t msg);
     log_msg(const log_msg &other) = default;
     log_msg &operator=(const log_msg &other) = default;
@@ -28,6 +37,7 @@ struct SPDLOG_API log_msg {
 
     source_loc source;
     string_view_t payload;
+    log_attributes attributes;
 };
 }  // namespace details
 }  // namespace spdlog
diff --git a/src/details/log_msg.cpp b/src/details/log_msg.cpp
index 80f4b0a6..73897a9c 100644
--- a/src/details/log_msg.cpp
+++ b/src/details/log_msg.cpp
@@ -8,6 +8,44 @@
 namespace spdlog {
 namespace details {
 
+log_msg::log_msg(spdlog::log_clock::time_point log_time,
+                 spdlog::source_loc loc,
+                 string_view_t a_logger_name,
+                 spdlog::level lvl,
+                 spdlog::string_view_t msg,
+                 spdlog::log_attributes attributes)
+    : logger_name(a_logger_name),
+      log_level(lvl),
+      time(log_time)
+#ifndef SPDLOG_NO_THREAD_ID
+      ,
+      thread_id(os::thread_id())
+#endif
+      ,
+      source(loc),
+      payload(msg),
+      attributes(attributes) {
+}
+
+log_msg::log_msg(const log_clock::time_point log_time,
+                 const source_loc loc,
+                 const string_view_t a_logger_name,
+                 const level lvl,
+                 const string_view_t msg,
+                 const log_attributes attributes)
+    : logger_name(a_logger_name),
+      log_level(lvl),
+      time(log_time),
+#ifdef SPDLOG_NO_THREAD_ID
+      thread_id(0),
+#else
+      thread_id(os::thread_id()),
+#endif
+      source(loc),
+      payload(msg),
+      attributes(attributes) {
+}
+
 log_msg::log_msg(const log_clock::time_point log_time,
                  const source_loc &loc,
                  const string_view_t logger_name,
@@ -28,8 +66,18 @@ log_msg::log_msg(const log_clock::time_point log_time,
 log_msg::log_msg(const source_loc &loc, const string_view_t logger_name, const level lvl, const string_view_t msg)
     : log_msg(os::now(), loc, logger_name, lvl, msg) {}
 
+log_msg::log_msg(spdlog::source_loc loc,
+                 string_view_t a_logger_name,
+                 spdlog::level lvl,
+                 spdlog::string_view_t msg,
+                 spdlog::log_attributes attributes)
+    : log_msg(os::now(), loc, a_logger_name, lvl, msg, attributes) {}
+
 log_msg::log_msg(const string_view_t logger_name, const level lvl, const string_view_t msg)
     : log_msg(os::now(), source_loc{}, logger_name, lvl, msg) {}
 
+log_msg::log_msg(string_view_t a_logger_name, spdlog::level lvl, spdlog::string_view_t msg, spdlog::log_attributes attributes)
+    : log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg, attributes) {}
+
 }  // namespace details
 }  // namespace spdlog