Although it is not possible to assign a document to many classifications using the import feature, you can achieve that by using the Quable API.

Here is a Python 3 script that uses a CSV file and the endpoint [PUT] /api_1.php/documents/{document_code} to do so :

https://docs.quable.com/recipes/assign-documents-to-multiple-classifications-channels

Keywords : API, documents, classifications, channels, update, assignations.