browse_this_device_enabled / browse_this_device_label / browse_this_device_mode:
Allow enabling the option to browse local files and define the upload mode (e.g., "upload").

upload_enabled and create_folder_enabled:
Enable direct file uploads and folder creation from the picker.

fromALink_enabled / fromALink_mode:
Configure the option to enter a direct link (useful for external resources).

switchAccount_mode, switchAccount_enabled, switchAccount_label:
Allow configuring account switching (switch account).

manageAccounts_mode, manageAccounts_label:
Configure account management, opening the Microsoft Account portal.

inactivity_timeout:
Inactivity time (in minutes) after which the session will silently close.

selection_source_items:
Predefined items in JSON format that can appear pre-selected or restrict the selection source.