diff --git a/src/plugins/tools/net_tracer/db_plugin/gsiDeclDbNetTracer.cc b/src/plugins/tools/net_tracer/db_plugin/gsiDeclDbNetTracer.cc
index 90fdab1ad..f9bc8c693 100644
--- a/src/plugins/tools/net_tracer/db_plugin/gsiDeclDbNetTracer.cc
+++ b/src/plugins/tools/net_tracer/db_plugin/gsiDeclDbNetTracer.cc
@@ -147,6 +147,14 @@ DB_PUBLIC gsi::Class<db::TechnologyComponent> &decl_dbTechnologyComponent ();
 gsi::Class<db::NetTracerTechnologyComponent> decl_NetTracerTechnologyComponent (decl_dbTechnologyComponent (), "db", "NetTracerTechnologyComponent",
   gsi::iterator ("each", static_cast<db::NetTracerTechnologyComponent::const_iterator (db::NetTracerTechnologyComponent::*) () const> (&db::NetTracerTechnologyComponent::begin), static_cast<db::NetTracerTechnologyComponent::const_iterator (db::NetTracerTechnologyComponent::*) () const> (&db::NetTracerTechnologyComponent::end),
     "@brief Gets the connectivity definitions from the net tracer technology component.\n"
+  ) +
+  gsi::method ("clear", &db::NetTracerTechnologyComponent::clear,
+    "@brief Removes all connectivity definitions.\n"
+    "This method has been introduced in version 0.28.7"
+  ) +
+  gsi::method ("add", &db::NetTracerTechnologyComponent::push_back, gsi::arg ("connection"),
+    "@brief Adds a connectivity definition.\n"
+    "This method has been introduced in version 0.28.7"
   ),
   "@brief Represents the technology information for the net tracer.\n"
   "This class has been redefined in version 0.28 and re-introduced in version 0.28.3. Since version 0.28, "
diff --git a/testdata/ruby/extNetTracer.rb b/testdata/ruby/extNetTracer.rb
index f95a106b9..82ed2c4f9 100644
--- a/testdata/ruby/extNetTracer.rb
+++ b/testdata/ruby/extNetTracer.rb
@@ -158,6 +158,39 @@ class EXT_TestClass < TestBase
 
   end
 
+  # Technology component
+  def test_4
+
+    c1 = RBA::NetTracerConnectivity::new
+    c1.connection("1/0", "3/0")
+    c1.name = "1to3"
+
+    c2 = RBA::NetTracerConnectivity::new
+    c2.connection("2/0", "3/0")
+    c2.name = "2to3"
+
+    tc = RBA::NetTracerTechnologyComponent::new
+    names = tc.each.collect { |c| c.name }.join(";")
+    assert_equal(names, "")
+
+    tc.add(c1)
+    names = tc.each.collect { |c| c.name }.join(";")
+    assert_equal(names, "1to3")
+
+    tc.add(c2)
+    names = tc.each.collect { |c| c.name }.join(";")
+    assert_equal(names, "1to3;2to3")
+
+    tc.clear
+    names = tc.each.collect { |c| c.name }.join(";")
+    assert_equal(names, "")
+
+    tc.add(c2)
+    names = tc.each.collect { |c| c.name }.join(";")
+    assert_equal(names, "2to3")
+
+  end
+
 end
 
 load("test_epilogue.rb")