The key points being
- Have a page for creating a new topic
- Enter the page by following a "Wikidocumentaries red link" (a link which has been described with a Wikidata id but for which the local item does not exist yet)
- OR enter the page without initial data
- Search for possible existing topics in Wikidata
- Choose existing or create new topic
- Define the type (P31)
- Fill in basic properties based on the type
The workflow is defined in https://docs.google.com/presentation/d/1YDYgodA5KyXU9QpEleZ3ObBVN6Dx3L6iP6k-34ju2ao/edit#slide=id.g3acedda052_0_146