No. Please do register for a course with a training provider first before submitting a claim. You will need your course details (e.g. course start date, course ID, training provider) before you can submit a claim.
Please note that individuals who provide false claims without attending/signing up for any courses are in breach of Section 58 of the SkillsFuture Singapore Agency Act which carries a maximum penalty of $10,000 fine and imprisonment of up to 12 months or both.