Question:
How do I delete all data for a source system?
How do I delete all data for a specific crosswalk?
Answer:
The only way is the following:
DELETE /configuration/sources/sourcename?option=purgeAllData
This will PURGE all the data under the source system specified AND delete the source system from the L3 Configuration. However, you can just add the source system back afterwards.
The only other option you have is the DELETE Crosswalks by URI option:
https://docs.reltio.com/en/developer-resources/entity-management-apis/entity-management-apis-at-a-glance/merge-and-unmerge-entities-api/crosswalks#delete-crosswalk-0
Bulk Delete Entities will not work because if you use a filter for specific source systems, it will just use that filter as a criteria to identify all entities needed to delete and will mark the whole entity for deletion, not isolating just the source system itself.
Anything else, you will need to submit a request for enhancement.
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