# Source Batch Sequence

The Source Batch configuration is found under the Batch option in the Sources menu.

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.
Socket selector | The use of one or several socket selectors.

## Product Essentials Tutorials

https://www.youtube.com/watch?v=-dTjDz6ravw

In this Section

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