code: def add_text_item(self, collection_uri, name, metadata, text, title=None):
          
  
          docname = name + ".txt"
          if title is None:
              title = name
  
          metadata['dcterms:identifier'] = name
          metadata['@type'] = 'ausnc:AusNCObject'
          metadata['hcsvlab:display_document'] = {'@id': docname}
          metadata['hcsvlab:indexable_document'] = {'@id': docname}
          metadata['ausnc:document'] =  [{ '@id': 'document1.txt',
                                           '@type': 'foaf:Document',
                                           'dcterms:extent': len(text),
                                           'dcterms:identifier': docname,
                                           'dcterms:title': title,
                                           'dcterms:type': 'Text'}]
  
          meta = {'items': [{'metadata': { '@context': self.context,
                                           '@graph': [metadata]
                                          },
                              'documents': [{'content': text, 'identifier': docname}]
                            }]
                  }
  
          response = self.api_request(collection_uri, method='POST', data=json.dumps(meta))
  
          # this will raise an exception if the request fails
          self.__check_success(response)
  
          item_uri = collection_uri + "/" + response['success'][0]
  
          return item_uri
docs: Add a new item to a collection containing a single
          text document.
  
          The full text of the text document is specified as the text
          argument and will be stored with the same name as the
          item and a .txt extension.
  
          This is a shorthand for the more general add_item method.
  
          :param collection_uri: The URI that references the collection
          :type collection_uri: String
  
          :param name: The item name, suitable for use in a URI (no spaces)
          :type name: String
  
          :param metadata: a dictionary of metadata values describing the item
          :type metadata: Dict
  
          :param text: the full text of the document associated with this item
          :type text: String
  
  
          :param title: document title, defaults to the item name
          :type title: String
  
          :rtype String
          :returns: the URI of the created item
  
          :raises: APIError if the request was not successful