...
At the Shopify account create a “App development (Develop apps)” with “Admin API integration” and give access to: write_products, write_inventory, write_publications.
If file_reference is used the write_files access needed as well.
If the Translations functionality is activated the write_translations access needed as well.
...
If Locations is used the read_locations access needed as well.
Set the “BaseUri” and the “AccessToken” in the appsettings.json file
...