Go to your Dashboard
Find the initiative to which you are already committed under the tabs Ongoing and coming soon or Past
Click Track registration
Then click under Do you want to add or modify the date of participation ?
If applicable, a box at the top of this window shows you the remaining time you can commit to. If you don't have enough credit left on your time counter, you can choose to commit outside working hours
Click the button + Add a time period
Select the period, or double-click on the same date to save a specific date
Save