Business Process and Data Transformation Language Reference
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InterSystems: The power behind what matters   
Class Reference   

Invoke a <compensationhandler> from <catch> or <catchall>.
  <throw fault='"BuyersRegret"'/>
    <catch fault='"BuyersRegret"'>
      <compensate target="RestoreBalance"/>
    <compensationhandler name="RestoreBalance">
      <assign property='context.MyBalance' value='context.MyBalance+1'/>
Attribute or Element Description Value
target attribute Required. The name of a <compensationhandler> that provides a sequence of activities to undo previous actions. A string of 0 to 255 characters.
<annotation> element See Common Attributes and Elements.”  
The <compensate> element invokes a <compensationhandler> block by specifying its name as a target:
<compensate target="general"/>
<compensate> may only appear within <catch> or <catchall>. Its target value must match the name of a <compensationhandler> within the same BPL business process.
For details, see BPL Error Handling Conventions in Developing BPL Processes.