def describe_schemas(EndpointArn=None, MaxRecords=None, Marker=None):
    """
    Returns information about the schema for the specified endpoint.
    See also: AWS API Documentation
    
    
    :example: response = client.describe_schemas(
        EndpointArn='string',
        MaxRecords=123,
        Marker='string'
    )
    
    
    :type EndpointArn: string
    :param EndpointArn: [REQUIRED]
            The Amazon Resource Name (ARN) string that uniquely identifies the endpoint.
            

    :type MaxRecords: integer
    :param MaxRecords: The maximum number of records to include in the response. If more records exist than the specified MaxRecords value, a pagination token called a marker is included in the response so that the remaining results can be retrieved.
            Default: 100
            Constraints: Minimum 20, maximum 100.
            

    :type Marker: string
    :param Marker: An optional pagination token provided by a previous request. If this parameter is specified, the response includes only records beyond the marker, up to the value specified by MaxRecords .

    :rtype: dict
    :return: {
        'Marker': 'string',
        'Schemas': [
            'string',
        ]
    }
    
    
    :returns: 
    (string) --
    
    """
    pass
