diff --git a/libpldmresponder/oem_handler.hpp b/libpldmresponder/oem_handler.hpp
index 68c844b..bd65dd2 100644
--- a/libpldmresponder/oem_handler.hpp
+++ b/libpldmresponder/oem_handler.hpp
@@ -150,6 +150,32 @@
 
 } // namespace oem_fru
 
+namespace oem_utils
+{
+using namespace pldm::utils;
+
+class Handler : public CmdHandler
+{
+  public:
+    Handler(const pldm::utils::DBusHandler* dBusIntf) : dBusIntf(dBusIntf) {}
+
+    /** @brief Collecting core count data and setting to Dbus properties
+     *
+     *  @param[in] associations - the data of entity association
+     *  @param[in] entityMaps - the mapping of entity to DBus string
+     *
+     */
+    virtual int setCoreCount(const EntityAssociations& associations,
+                             const EntityMaps entityMaps) = 0;
+
+    virtual ~Handler() = default;
+
+  protected:
+    const pldm::utils::DBusHandler* dBusIntf;
+};
+
+} // namespace oem_utils
+
 } // namespace responder
 
 } // namespace pldm