Sketch a rough time-line (as in Fig. 2). Having a good picture in mind of how the experiment unfolds is a helpful starting point.

List the basic event concepts of the experiment and give them concise, easily interpretable names. Relevant concepts include sensory presentations, participant tasks and motor and/or verbal responses, experiment design, and bias control factors.

Write a concise but complete text description of each event concept. A good starting point is to create a table of component names and descriptions.

List the needed event marker types (as in Fig. 2), and include Onset and Offset tags.

Assign a primary HED Event category tag to each marker (as in Fig. 3).

Determine which additional columns if any should be in the BIDS …events.tsv file.

Verify that the event concepts (stimuli, responses, factors, levels, tasks) can be associated either with …events.tsv event table markers (rows) or with event table columns having HED definitions in the …events.json files.

Check and iterate as needed.