diff --git a/utility.cpp b/utility.cpp
index 7fdd6b2..cec9d8b 100644
--- a/utility.cpp
+++ b/utility.cpp
@@ -63,6 +63,22 @@
     return response.begin()->first;
 }
 
+DbusSubtree getSubTree(sdbusplus::bus::bus& bus, const std::string& path,
+                       const std::string& interface, int32_t depth)
+{
+    auto mapperCall = bus.new_method_call(MAPPER_BUSNAME, MAPPER_PATH,
+                                          MAPPER_INTERFACE, "GetSubTree");
+    mapperCall.append(path);
+    mapperCall.append(depth);
+    mapperCall.append(std::vector<std::string>({interface}));
+
+    auto reply = bus.call(mapperCall);
+
+    DbusSubtree response;
+    reply.read(response);
+    return response;
+}
+
 json loadJSONFromFile(const char* path)
 {
     std::ifstream ifs(path);