| Siebel Loyalty Administration Guide > Siebel Loyalty Workflow, Task Flow, and Methods Reference > Siebel Loyalty Workflows > LOY Engine - Process Batch Workflow
 The LOY Engine - Process Batch workflow, shown in Figure 28, invokes the Loyalty Engine in batch mode for processing. 
Figure 28.	LOY Engine - Process Batch Workflow
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 Workflow Description. This workflow performs the following action: 
Invoke LPE in Batch Mode. This step calls the method ProcessBatch of the LOY Processing Engine Business Service, which invokes the Loyalty Engine in batch mode.
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