diff --git a/dbus.hpp b/dbus.hpp
index d3c6152..392dd8a 100644
--- a/dbus.hpp
+++ b/dbus.hpp
@@ -12,6 +12,8 @@
 
 using DbusInterface = std::string;
 using DbusProperty = std::string;
+using DbusService = std::string;
+using DbusPath = std::string;
 using Value = sdbusplus::message::variant<bool, uint32_t, uint64_t, std::string,
                                           std::vector<std::string>>;
 
@@ -22,6 +24,9 @@
 using ObjectValueTree =
     std::map<sdbusplus::message::object_path, DbusInterfaceMap>;
 
+using DbusSubtree =
+    std::map<DbusPath, std::map<DbusService, DbusInterfaceList>>;
+
 /**
  * Returns the managed objects for an object path and service
  *
@@ -37,5 +42,53 @@
 ObjectValueTree getManagedObjects(sdbusplus::bus::bus& bus,
                                   const std::string& service,
                                   const std::string& objPath);
+
+/**
+ * Returns the subtree for a root, depth, and interface.
+ *
+ * Returns an empty map if there are any failures.
+ *
+ * @param[in] bus - the D-Bus object
+ * @param[in] root - the point from which to provide results
+ * @param[in] depth - the number of path elements to descend
+ *
+ * @return DbusSubtree - A map of object paths to their
+ *                       services and interfaces.
+ */
+DbusSubtree getSubtree(sdbusplus::bus::bus& bus, const std::string& root,
+                       size_t depth, const std::string& interface);
+
+/**
+ * Get the D-Bus service name for the object path and interface from
+ * the data returned from a GetSubTree call.
+ *
+ * Returns an empty string if the service can't be found.
+ *
+ * @param[in] objPath - the D-Bus object path
+ * @param[in] interface - the D-Bus interface name
+ * @param[in] tree - the D-Bus GetSubTree response
+ *
+ * @return string - the service name
+ */
+DbusService getService(const std::string& objPath, const std::string& interface,
+                       const DbusSubtree& tree);
+
+/**
+ * Returns all properties on a particular interface on a
+ * particular D-Bus object.
+ *
+ * Returns an empty map if there are any failures.
+ *
+ * @param[in] bus - the D-Bus object
+ * @param[in] service - the D-Bus service name
+ * @param[in] objPath - the D-Bus object path
+ * @param[in] interface - the D-Bus interface name
+ *
+ * @return DbusPropertyMap - The map of property names to values
+ */
+DbusPropertyMap getAllProperties(sdbusplus::bus::bus& bus,
+                                 const std::string& service,
+                                 const std::string& objPath,
+                                 const std::string& interface);
 }
 }