data import composite api

[dufoli]

use composite api on data import o be able to load object and child object directly without external key
https://developer.salesforce.com/docs/atlas.en-us.api_rest.meta/api_rest/requests_composite_sobject_tree.htm

[dufoli]

On data export, contact have child account.
So idea is to collect all account create unique identifier for each then add them on contact.
So no need for tree composite but more split import record and use unique identifier to link them