+```
+
+### To Deploy External services
+The IP address described below should be the interface IP address of the VM hosting the aux cluster.
+If the aux cluster is multi-node, any of the nodes can be specified here.
+
+```sh
+$ # An override file must be used.
+$ # Modify the override file, for example ../RECIPE_EXAMPLE/RIC_PLATFORM_RECIPE_EXAMPLE
+$ # Set the values of extsvcaux/ricip and extsvcaux/auxip to be the external IP addresses of VM hosting RIC cluster and VM hosting AUX cluster, respectively.
+$ # These values should be set in the override file
+$ . ./55-Ext-Services/bin/install -f YOUR_OVERRIDE_FILE
+```
+
+### To Undeploy External services
+```sh
+$ . ./55-Ext-Services/bin/uninstall
+```
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