Once your video has finished encoding in WellcomeMat, click the Video Chapters icon on the top navigation menu.
Your video might have automatically detected some potential chapters. Please approve the video chapters you would like to keep by clicking the green Approve Chapter button to the right of each chapter.
Add a new video chapter by clicking the red Add New button to the bottom right of the video.
Edit the start time of the new chapter in the time selector field. You can also edit the chapter thumbnail by clicking on the thumbnail to the right of the chapter's start time selector.
Once you have added the chapter start time and the correct thumbnail image, give the chapter an appropriate name and click the red Save button.
You can add new, edit and delete chapters at anytime.