After creating your account, you are brought to your Account Information. You can see the folders that you have rights to work in under the tab My Data and the messages from the CUHK Research Data Repository under the tab Notifications.
You can go back to the landing page of the Repository by clicking the University logo.
The API Token of your account allows you upload files into the CUHK Research Data Repository with different applications.
Get your API Token by clicking API Token in the pull-down menu under your profile name on the right top.