Comments.

bt5/erp5_wendelin/PathTemplateItem/portal_callables/DataIngestionLine_writeFluentdIngestionToDataStream.py

+"""
+  This script is used during fluentd ingestion.
+  It will write data sent from fluentd by unpacking it first and then appending
+  as a string to respective "Data Stream".
+"""
+
 out_stream["Data Stream"].appendData(''.join([str(c[1]) for c in context.unpack(data_chunk)]))

bt5/erp5_wendelin/PathTemplateItem/portal_callables/DataIngestionLine_writeIngestionToDataStream.py

+"""
+  This script is used during fluentd ingestion.
+  It will append data sent from fluentd to Wendelin 'as it is' to respective "Data Stream".
+  By default data will be encoded in MsgPack format.
+"""
+
 out_stream["Data Stream"].appendData(data_chunk)