--- /dev/null
+
+.if false
+==================================================================================
+ Copyright (c) 2020 Nokia
+ Copyright (c) 2020 AT&T Intellectual Property.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+==================================================================================
+.fi
+
+&h2(Configuration Interface)
+This example is a simple illustration of how the configuration file support
+(xAPP descriptor) can be used to suss out configuration parameters before
+creating the Xapp object.
+The example also illustrates how a notification callback can be used to react
+to changes in the configuration.
+
+
+&space
+&indent
+.** pull in the code from the example directory
+&ex_start
+.im j=start-example ../../../examples/xapp_t3.cpp
+&ex_end
+&fig_cen( Simple application making use of the configuration object.)
+&uindent
+&space
+