diff --git a/libmetricslogger/include/metricslogger/metrics_logger.h b/libmetricslogger/include/metricslogger/metrics_logger.h
index 2c76869..860d71d 100644
--- a/libmetricslogger/include/metricslogger/metrics_logger.h
+++ b/libmetricslogger/include/metricslogger/metrics_logger.h
@@ -47,6 +47,8 @@
   public:
     // Create a complex event with category|category|.
     explicit ComplexEventLogger(int category);
+    // Set the package name that this event originates from.
+    void SetPackageName(const std::string& package_name);
     // Add tagged data to the event, with the given tag and integer value.
     void AddTaggedData(int tag, int32_t value);
     // Add tagged data to the event, with the given tag and string value.
@@ -70,6 +72,7 @@
     LOGBUILDER_VALUE = 802,
     LOGBUILDER_COUNTER = 803,
     LOGBUILDER_HISTOGRAM = 804,
+    LOGBUILDER_PACKAGENAME = 806,
 
     ACTION_BOOT = 1098,
     FIELD_PLATFORM_REASON = 1099,
diff --git a/libmetricslogger/metrics_logger.cpp b/libmetricslogger/metrics_logger.cpp
index 912fa12..6a32153 100644
--- a/libmetricslogger/metrics_logger.cpp
+++ b/libmetricslogger/metrics_logger.cpp
@@ -62,6 +62,10 @@
     logger << LOGBUILDER_CATEGORY << category;
 }
 
+void ComplexEventLogger::SetPackageName(const std::string& package_name) {
+    logger << LOGBUILDER_PACKAGENAME << package_name;
+}
+
 void ComplexEventLogger::AddTaggedData(int tag, int32_t value) {
     logger << tag << value;
 }