module example-fan { yang-version 1.1; namespace "http://example.com/ns/example-fan"; prefix fan; import yangcli-pro { prefix yp; } organization "Example, Inc."; contact "Support ."; description "Example show command extension for yangcli-pro"; revision 2017-12-04 { description "Change to YANG 1.1 to allow empty in case"; } revision 2014-12-05 { description "Initial version"; } /* add a case to the fan show command, e.g., 'show fan 1' * must not clash with other case names in the showtype choice */ augment "/yp:show/yp:input/yp:showtype" { case fan { leaf fan { type union { type empty; type uint32 { range "1 .. max"; } } mandatory true; description "The fan number to show or the primary fan if no value is given."; } leaf diagnostics { type empty; description "If present, display extra diagnostics info"; } } case version { leaf version { description "Example.com version"; type empty; } } } }