The Batch Listener allows data ingestion from batch sources into a graph. Also, the Batch Listener captures input required to process data from batch sources at a defined frequency.
Creating a Batch Listener
Creating a new Batch Connection is mandatory to create a Batch Listener Adaptor.
To add a Batch Listener Adaptor on any graph:
Click the Graph Options dropdown in the top left side of the window.
Select Add Listener from the dropdown. The Listener Editor window will appear.
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Listener Type: Select the Batch Listener Type from the Listener Type dropdown.
Connection: Choose the required batch Connection from the Connection drop-down.
Batch Connections created under the Batch Connection configuration will appear here.
The 
(Edit) button is next to the connection dropdown.
It allows users to reconfigure, edit or create a new connection.
This Edit button is available for all types of listeners.
Batch Listener Options
Once the Batch Listener Type is selected, all the configurations related to Batch Listener will appear.
In data processing, there are different types of file formats to store your data sets. The most popular data formats are Parquet, Delimited, and JSON.
Parquet is an open-source file format that handles flat columnar storage data formats.
Delimited files in which values in the row and columns are separated by configured delimiters (Comma, Tab, customized delimiter, quotation marks).
JSON (JavaScript Object Notation) is an open data format and is widely used by APIs (Application Programming Interface — basically how servers talk to each other) and several databases (like MongoDB)
