As a remote team member on a Milestone contract, you can easily submit your work/task for your manager's approval.
Go to the contract details page
Click on the Milestones tab, then add milestone button
Select the Name of your Milestone (i.e. Design Work, Front-end set up), enter the amount associated to the Milestone (i.e. $500, $2000 etc.), and Add an attachment if needed (optional)
Click on Add.
That's it! Your assigned manager will be notified and once approved you will receive an email notification and the corresponding amount will be automatically added to your next payment.