Adding files to a Mindmap Notebook
Study module → Open notebook
→ Enter the document interface → Click “manage” in the lower right corner of the upper toolbar
→ Click 
to add a document from the document library in the pop-up interface
The entire process gif
Study module → Open notebook
→ Enter the document interface → Click “manage” in the lower right corner of the upper toolbar
→ Click “Import Document” in the pop-up interface to add a new document
