# Source Batch Sequence

To access to the Source Batch configuration, go to the Sources tab on the home view and select Batch Sequence on the left pane.

The controller can be configured to select a batch sequence based on either an identifier number or an identifier string.

Input | Description
--- | ---
Identifier number | The number must be a positive integer number that can originate from an accessory or from an external control entity.
Identifier string | The string must consist of ASCII characters and can originate from a scanner or from an external control entity.

In this Section

- Creating a Source Batch
- Configuring Significant Positions to Read in Barcode String
- Combining Identifier Strings