How to find HDL Template for changing wrong action code to right action code

Summary:

Need to change wrong action code to right action code

Content (required):

Need to know how to find the HDL template for such cases. Below i have pasted the template, where to find such templates. I am not finding anything while searching under view business object - Global HR Setup.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

SET PURGE_FUTURE_CHANGES N

METADATA|WorkTerms|AssignmentId|WorkTermsAssignmentId|PeriodOfServiceId|EffectiveLatestChange|EffectiveSequence|EffectiveStartDate|EffectiveEndDate|SourceSystemId|SourceSystemOwner|ActionCode

METADATA|Assignment|AssignmentId|WorkTermsAssignmentId|PeriodOfServiceId|EffectiveLatestChange|EffectiveSequence|EffectiveStartDate|EffectiveEndDate|SourceSystemId|SourceSystemOwner|ActionCode