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You can however also create keys of the form: test.<someDomain>.<someKey> (e.g., test.sync.objects)
For more information about how to enter or change a Pulsar Setting, refer to Pulsar Settings Overview.
Test Users
Test users in your organization will receive all the Pulsar Settings just like regular users, but with the test-specific variants overriding the normal ones. This can be useful for live-testing changes without performing a full UAT.
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