docs: def create_index(manager, prop, node_type='Node'):
      """
      :param manager: Neo4jDBSessionManager
      :param prop: Property to index
      :param node_type: Label to create index on
  
      :type manager: Neo4jDBSessionManager
      :type prop: str
      :type node_type: str
      """
      with manager.session as s:
          s.run('CREATE INDEX ON :{node_type}({prop})'.format(node_type=node_type, prop=prop))