def get_bot_channel_associations(botName=None, botAlias=None, nextToken=
    None, maxResults=None, nameContains=None):
    """
    Returns a list of all of the channels associated with the specified bot.
    The GetBotChannelAssociations operation requires permissions for the lex:GetBotChannelAssociations action.
    See also: AWS API Documentation
    
    
    :example: response = client.get_bot_channel_associations(
        botName='string',
        botAlias='string',
        nextToken='string',
        maxResults=123,
        nameContains='string'
    )
    
    
    :type botName: string
    :param botName: [REQUIRED]
            The name of the Amazon Lex bot in the association.
            

    :type botAlias: string
    :param botAlias: [REQUIRED]
            An alias pointing to the specific version of the Amazon Lex bot to which this association is being made.
            

    :type nextToken: string
    :param nextToken: A pagination token for fetching the next page of associations. If the response to this call is truncated, Amazon Lex returns a pagination token in the response. To fetch the next page of associations, specify the pagination token in the next request.

    :type maxResults: integer
    :param maxResults: The maximum number of associations to return in the response. The default is 50.

    :type nameContains: string
    :param nameContains: Substring to match in channel association names. An association will be returned if any part of its name matches the substring. For example, 'xyz' matches both 'xyzabc' and 'abcxyz.' To return all bot channel associations, use a hyphen ('-') as the nameContains parameter.

    :rtype: dict
    :return: {
        'botChannelAssociations': [
            {
                'name': 'string',
                'description': 'string',
                'botAlias': 'string',
                'botName': 'string',
                'createdDate': datetime(2015, 1, 1),
                'type': 'Facebook'|'Slack'|'Twilio-Sms',
                'botConfiguration': {
                    'string': 'string'
                }
            },
        ],
        'nextToken': 'string'
    }
    
    
    :returns: 
    (string) --
    (string) --
    
    
    
    """
    pass
