Add importer options to override existing record policy and add or replace for specific mappings

Description

Add mapping-level options to force add or replace behavior for a mapping, regardless of how the existing record policy is set. This would allow, for instance, adding of values to a field which most/all others are replaced. Currently it's all or nothing – everything is merged (added) or replaced.

Environment

None
Your pinned fields
Click on the next to a field label to start pinning.

Assignee

Seth

Reporter

Seth