module corenova-node {
  namespace "urn:corenova:node";
  prefix node;

  organization
    "Corenova Technologies, Inc.";

  contact
    "Peter K. Lee <peter@corenova.com>";

  description
    "This module defines extensions to dynamically control schema node
     display and access overlay controls";

  feature corenova-node {
    description
      "this is to indicate the agent supports dynamic schema node
       link and view constraints.";
  }
    
  extension link {
    description
      "Links a new 'link-name' element to an alternate data node element in
       the schema data tree referenced by the 'path' sub statement. It
       can be used within 'container' or 'list' type data element to
       hold one or more such 'links' as part of its configuration data
       tree.  The new link element becomes a 'mirror' instance of the
       target node found in the path expression.";
    argument link-name {
      yin-element true;
    }
  }

  extension view {
    description
      "Informs the interface layers that only the data nodes referenced
       within the value argument should be made visible to the
       consumer.";
    argument value;
  }
}