code: def column_family_definition(keyspace, column_family):
      '''
      Return a dictionary of column family definitions for the given
      keyspace/column_family
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' cassandra.column_family_definition <keyspace> <column_family>
  
      '''
      sys = _sys_mgr()
  
      try:
          return vars(sys.get_keyspace_column_families(keyspace)[column_family])
      except Exception:
          log.debug('Invalid Keyspace/CF combination')
          return Nonf column_family_definition(keyspace, column_family):
      '''
      Return a dictionary of column family definitions for the given
      keyspace/column_family
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' cassandra.column_family_definition <keyspace> <column_family>
  
      '''
      sys = _sys_mgr()
  
      try:
          return vars(sys.get_keyspace_column_families(keyspace)[column_family])
      except Exception:
          log.debug('Invalid Keyspace/CF combination')
          return None
docs: Return a dictionary of column family definitions for the given
      keyspace/column_family
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' cassandra.column_family_definition <keyspace> <column_family>