ImportCollections imports the provided collections data in a single transaction.
For existing matching collections, the imported data is unmarshaled on top of the existing model.
NB! If deleteMissing is true, ALL NON-SYSTEM COLLECTIONS AND SCHEMA FIELDS,
that are not present in the imported configuration, WILL BE DELETED
(this includes their related records data).
ImportCollections imports the provided collections data in a single transaction.
For existing matching collections, the imported data is unmarshaled on top of the existing model.
NB! If deleteMissing is true, ALL NON-SYSTEM COLLECTIONS AND SCHEMA FIELDS, that are not present in the imported configuration, WILL BE DELETED (this includes their related records data).