Creating a document to index with stream field data

Elasticsearch REST Bulk Insert step, Document tab - Create index option

Use the Create a document to index with stream field data option if you want to turn each row of stream data into a unique JSON document to be indexed in the bulk request. You must define the fields to use from the input stream with a target name. Click Get Fields to automatically find all incoming stream data.

Field	Description
Name	Enter the name of the source field that the step receives on the input stream.
Target name	Enter the name of the destination field in the generated JSON document to use for the input stream field.