The payload that contains a JSON array of records will be sent to Kinesis Firehose via a batch call.
The delivery stream name.
The IAM role ARN that grants access to the Amazon Kinesis Firehose stream.
A character separator that is used to separate records written to the Firehose stream. Valid values are: '\n' (newline), '\t' (tab), '\r\n' (Windows newline), ',' (comma).