There is no data entity to update the Summary update settings against a customer or vendor. These are required to generate consolidated documents and are needed for data migration or mass updates.

Accounts Receivable > Customers > All customers > Customer tab > Set up > Summary update
(SalesJournalAutoSummary table).
Accounts Payable > Vendors > All vendors > Vendor tab > Set up > Summary update

This can be manually updated, but that's not feasible for a large number of customers / vendors so there should be an automated process using data entities.
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