diff --git a/group.cpp b/group.cpp
new file mode 100644
index 0000000..8ed2ab0
--- /dev/null
+++ b/group.cpp
@@ -0,0 +1,21 @@
+#include <sdbusplus/message.hpp>
+#include "group.hpp"
+namespace phosphor
+{
+namespace led
+{
+
+/** @brief Overloaded Property Setter function */
+bool Group::asserted(bool value)
+{
+    // Group management is handled by Manager
+    auto result = manager.setGroupState(path, value);
+
+    // Set the base class's asserted to 'true' since the getter
+    // operation is handled there.
+    return sdbusplus::xyz::openbmc_project::Led::server::
+                      Group::asserted(result);
+}
+
+} // namespace led
+} // namespace phosphor