Mal wanted to upload his portfolio assignment to his trainer through Moodle but got frustrated when he didn't know how. The document then provides a 3 step process for Mal to browse for his file, add notes for his trainer, and submit his work so his trainer could access it through Moodle. It explains that browsing for the file, adding notes, and submitting are the key steps to uploading work in Moodle to share with his trainer.