createAnnotationReference = function createAnnotationReference(object, scope) {
  var options = {
    type: "reference",
    object: object
  };

  var findEntry = function findEntry(entry) {
    return entry.type === options.type && entry.object === options.object;
  };

  if (scope.internal.getPageInfo(object.page).pageContext.annotations.find(findEntry) === undefined) {
    scope.internal.getPageInfo(object.page).pageContext.annotations.push(options);
  }
}
Create the Reference to the widgetAnnotation, so that it gets referenced
in the Annot[] int the+ (Requires the Annotation Plugin)