Hi,
In the GUI when you create a mapping in Jira Assets (Cloud) / Schema / Import you can set a few rules like the below (dummy mapping):

Unfortunately, I am unable to see the equivalent in the REST APIs.
Questions
- How would I be able to Update an attribute on `missing objects` using an external import via the API or is it only done via the GUI?
- Which API call(s) or JSON syntax would give me the flexibility offered by the GUI?