# Loop batch block

The loop batch block loops over items in a list to process items in batch.

![loop batch block](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_QlikAutomation/img/loop-batch-block.png)

![loop batch block](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_QlikAutomation/img/loop-batch-block.png)

Information note

The loop block also loops over items in a list, but the loop block only processes a single item at a time.

A loop batch block is commonly used in the following situations:

* When your automation has large lists that need to be processed.
* When your automation needs to send items in batch to another destination.

## Configuring a loop batch block

Configure the block to loop over items in a list and processes them in batch.

### Inputs

The loop batch block requires a list and a specified batch size (number of items in a batch). The list can be field mapped from a preceding block. The number of items per batch should be an integer.

Loop batch input fieldsLoop batch input fields

![Loop batch block inputs](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_QlikAutomation/img/loop-batch-block-inputs.png)

![Loop batch block inputs](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_QlikAutomation/img/loop-batch-block-inputs.png)